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Mellow Mushroom Nutrition Guide: Calories & Macros

By Smoothie Nutrition Calculator · Updated 2026 · 8 min read

Mellow Mushroom Nutrition Guide: Calories & Macros — illustration of a whole pizza with melted cheese and basil

Mellow Mushroom Nutrition Calculator: The Short Answer

The lowest-calorie item at Mellow Mushroom is the Caesar Salad (regular) at 190 calories, with 11g of protein, 10g of carbs and 360mg of sodium. At the other end of the scale, the Bruschetta reaches 700 calories — so what you choose at Mellow Mushroom matters far more than where you chose to eat.

This guide pulls the headline numbers from all 16 items tracked in our Mellow Mushroom calculator, across 6 categories (Pizzas, Appetizers, Salads, Hoagies and more). The average item runs about 381 calories, 5 items come in under 300 calories, and 1 items deliver 30g of protein or more.

Mellow Mushroom Menu at a Glance

The table below mixes the extremes of the menu — the lightest item, the protein leader, the most protein-efficient pick and the saltiest item — with a spread across categories, so you can see the real range before you order.

ItemCaloriesProteinCarbsFatSodium
Caesar Salad (regular)19011g10g13g360mg
Meatball Hoagie (half)56038g52g25g1660mg
Greek Salad (regular)29013g15g20g1710mg
Spinach & Artichoke Dip65024g58g37g1330mg
Cheese Pizza Slice (Medium)31015g43g9g700mg
Pretzel Bites (serving)43011g62g15g920mg
Enlightened Spinach Salad2909g22g19g420mg
Chocolate Chip Cookie3103g44g14g240mg
Soft Drink (regular)2100g56g0g40mg
Veg Out Slice (Medium)29014g44g8g690mg
Mellow Mushroom Nutrition Guide: Calories & Macros — illustration of a milkshake dessert with a cherry (in-article illustration)

Calories and Macros: Where the Menu Splits

Most Mellow Mushroom menus split into two halves. One half is built on lean proteins and vegetables, where the Meatball Hoagie (half) is typical: 560 calories with 38g of protein. The other half stacks sauces, cheese, fried items and large portions, which is how an order climbs towards the Bruschetta at 700 calories.

Start from the Meatball Hoagie (half) (38g protein for 560 calories) and add flavour around it, rather than starting from the heaviest item and trying to lighten it. For fibre, the standout is the Spinach & Artichoke Dip with 6g — fibre is the macro most fast-food orders lack, and it is a big part of whether a meal keeps you full.

  • Lightest item: Caesar Salad (regular) — 190 calories
  • Highest-protein item: Meatball Hoagie (half) — 38g protein
  • Best protein per calorie: Meatball Hoagie (half) — 6.8g protein per 100 calories
  • Highest fibre: Spinach & Artichoke Dip — 6g fibre
  • Items under 300 calories: 5 of 16

The Sodium (and Sugar) Watch-Outs

Calories get the attention, but sodium is where Mellow Mushroom orders most often overshoot. The saltiest item here is the Greek Salad (regular) at 1710mg of sodium — a large share of the 2,300mg daily guideline in a single item, before sides or drinks. Pairing two mid-range salty items can quietly pass that whole budget.

Sugar is more concentrated: the sweetest item, the Soft Drink (regular), carries 55g, while most savoury items sit in single digits. Keeping sugar low at Mellow Mushroom is mostly about drinks and desserts, not the main course.

  • Saltiest item: Greek Salad (regular) — 1710mg sodium
  • Sweetest item: Soft Drink (regular) — 55g sugar
  • Balance a salty main with the lightest side you can find, and default to water over sweetened drinks.

How to Order Smarter at Mellow Mushroom

Three habits cover most of the benefit. Pick a base under 300 calories — there are 5 on this menu. Anchor the order on a protein-efficient item like the Meatball Hoagie (half). Then check the full build in the calculator before you pay, because toppings and sauces are where an sensible order becomes a heavy one.

  • Protein first, extras second — in that order
  • One rich extra per order, not three
  • Check sodium as well as calories when you compare two similar items

Mellow Mushroom Nutrition Calculator: Full Nutrition Table

For reference, here is the wider Mellow Mushroom picture in one table — the highest-protein items and the lightest items from the Mellow Mushroom Nutrition Calculator, side by side. Every figure matches the calculator exactly, so you can cross-check any row by building it above.

ItemCaloriesProteinCarbsFatSodium
Meatball Hoagie (half)56038g52g25g1660mg
Spinach & Artichoke Dip65024g58g37g1330mg
Buffalo Chicken Slice (Medium)42023g43g18g940mg
Mighty Meaty Slice (Medium)38020g43g14g940mg
House Special Slice (Medium)36018g44g13g860mg
Cheese Pizza Slice (Medium)31015g43g9g700mg
Caesar Salad (regular)19011g10g13g360mg
Soft Drink (regular)2100g56g0g40mg
Veg Out Slice (Medium)29014g44g8g690mg
Greek Salad (regular)29013g15g20g1710mg
Enlightened Spinach Salad2909g22g19g420mg

Inside the Mellow Mushroom Nutrition Calculator: Category by Category

Menus make more sense category by category than item by item, because each section of the Mellow Mushroom menu plays a different role in the meal. Here is what each part contributes, with the numbers that define it.

Pizzas: the Mellow Mushroom Nutrition Calculator tracks 7 items in this category, averaging about 353 calories each. The lightest is the Veg Out Slice (Medium) at 290 calories, and the protein pick is the Buffalo Chicken Slice (Medium) with 23g of protein for 420 calories. If you only remember one number from this category, remember the average — it is what an unplanned pick will cost you.

Appetizers: the Mellow Mushroom Nutrition Calculator tracks 3 items in this category, averaging about 593 calories each. The lightest is the Pretzel Bites (serving) at 430 calories, and the protein pick is the Spinach & Artichoke Dip with 24g of protein for 650 calories. The gap between the lightest and the typical pick here is where most of the day's quiet calories hide.

Salads: the Mellow Mushroom Nutrition Calculator tracks 3 items in this category, averaging about 257 calories each. The lightest is the Caesar Salad (regular) at 190 calories, and the protein pick is the Greek Salad (regular) with 13g of protein for 290 calories. Treat the lightest item as the default and the richer items as deliberate upgrades, not accidents.

Hoagies: the Mellow Mushroom Nutrition Calculator tracks 1 item in this category, averaging about 560 calories each. The lightest is the Meatball Hoagie (half) at 560 calories, and the protein pick is the Meatball Hoagie (half) with 38g of protein for 560 calories. This is also the category where portion choices matter most, because the calculator's portion buttons scale these figures directly.

Desserts: the Mellow Mushroom Nutrition Calculator tracks 1 item in this category, averaging about 310 calories each. The lightest is the Chocolate Chip Cookie at 310 calories, and the protein pick is the Chocolate Chip Cookie with 3g of protein for 310 calories. If you only remember one number from this category, remember the average — it is what an unplanned pick will cost you.

Drinks: the Mellow Mushroom Nutrition Calculator tracks 1 item in this category, averaging about 210 calories each. The lightest is the Soft Drink (regular) at 210 calories, and the protein pick is the Soft Drink (regular) with 0g of protein for 210 calories. The gap between the lightest and the typical pick here is where most of the day's quiet calories hide.

Lightest vs Heaviest: The Real Gap

Put the two ends of the Mellow Mushroom menu next to each other and the stakes become obvious. The Caesar Salad (regular) is 190 calories; the Bruschetta is 700 — a gap of 510 calories, wider than many entire meals. Neither number makes the other wrong: the lightest item is a tool for light days, the heaviest is a tool for hungry ones, and most people get into trouble only when they pick the second while planning for the first.

Sodium shows the same spread. The Soft Drink (regular) carries 40mg while the Greek Salad (regular) carries 1710mg, and sugar runs from almost nothing in the savoury core of the menu to 55g in the Soft Drink (regular). A balanced Mellow Mushroom order is mostly an exercise in mixing the ends deliberately instead of stacking one end by default.

The Ordering Playbook

Everything in this guide condenses into a four-step routine that works at the counter, in the drive-thru and in a delivery app. It takes about twenty seconds once it is a habit, and it uses the same numbers the calculator uses, so what you plan is what you get.

  • Step 1 — Anchor on protein: start with the Meatball Hoagie (half) (38g protein, 560 calories) or another top protein-per-calorie pick.
  • Step 2 — Add volume before calories: the Spinach & Artichoke Dip (6g fibre) and the menu's vegetables and salads fill the tray cheapest.
  • Step 3 — Spend extras deliberately: one sauce, cheese or dessert — chosen, not accumulated. Remember the Soft Drink (regular) alone is 55g of sugar.
  • Step 4 — Check sodium before you commit: if the build passes roughly 1,500mg, swap one component for a lighter one — the Soft Drink (regular) shows how low the floor is at 40mg.

Build This Meal in the Mellow Mushroom Nutrition Calculator

Every number in this guide comes from the same data as our free Mellow Mushroom Nutrition Calculator — open it, build your exact order, and check your totals live.

Open the Mellow Mushroom Nutrition Calculator →

Frequently Asked Questions

By the numbers, the Meatball Hoagie (half) is hard to beat: 38g of protein for 560 calories (6.8g protein per 100 calories), with 3g of fibre and 1660mg of sodium. The Caesar Salad (regular) is lighter still at 190 calories, but with less protein.

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