Starbucks

Impossible™ Breakfast Sandwich

Great sugar. Watch the sodium.

Vegetarian

420

Calories

21g

Protein

36g

Carbs

800mg

Sodium

Allergens

MilkEggWheatSoySesame

Is 420 cal right for your day?Get your personalized calorie & macro targets on MyPlate.food

A satisfying portion

Enough to take the edge off, but you might want something with it

How many are you thinking?

1 × 420 cal = 420 cal

Here's what this means for your daily nutrition

35%

Sodium800mg

40%

Sat Fat8g

Sugar4g

A balanced option — nothing too extreme either way.

Nutrition Facts

Calories

420

% Daily Value*

Total Fat

22g28%

Saturated Fat

8g40%

Trans Fat

Cholesterol

190mg63%

Sodium

800mg35%

Total Carbohydrates

36g13%

Dietary Fiber

3g11%

Total Sugars

Protein

21g42%

* The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Nom Score Breakdown

NomScore

Nutrients to watch

Sodium

190.5 mg/100cal

← Best

poorTarget: <= 100

Sat Fat

1.9 g/100cal

← Best

moderateTarget: <= 1

Sugar

1.0 g/100cal

← Best

excellentTarget: <= 1

Portion size

Portion

420 cal

← Best

goodTarget: <= 400 cal

Good stuff

Fiber

0.7 g/100cal

Best →

moderateTarget: >= 1.4

Protein

5.0 g/100cal

Best →

goodTarget: >= 6

Nom Score measures nutrition per calorie. Weights: Sodium (30%), Sat Fat (20%), Sugar (25%), Portion (10%), Fiber (10%), Protein (5%).

Nutrition verified June 2026 against Starbucks's official published data.

Ingredients

Sesame Ciabatta Bun

Enriched Wheat Flour, Water, Sesame Seeds, Eggs, Durum Wheat Semolina, Sugar, Sunflower Oil, Butter, Salt, Paprika, Malted Barley Flour, Yeast, Cultured Wheat Starch, Microbial Enzymes

Fried Egg Patty

Egg Whites, Egg Yolks, Milk, Food Starch- Modified, Salt, Citric Acid

Plant-Based Breakfast Patty

Water, Soy Protein Concentrate, Sunflower Oil, Coconut Oil, Contains 2% Or Less Of: Citric Acid, Cultured Dextrose, Food Starch – Modified, Garlic Powder, Methylcellulose, Mixed Tocopherols, Natural Flavors, Niacin, Onion Powder, Pyridoxine Hydrochloride, Riboflavin, Salt, Sodium Ascorbate, Soy Leghemoglobin, Soy Protein Isolate, Spices, Vitamin B12, Yeast Extract, Zinc Gluconate

Sharp Cheddar Cheese

Pasteurized Milk, Cheese Culture, Salt, Enzymes, Annatto

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Frequently asked questions

Is the Starbucks Impossible™ Breakfast Sandwich healthy?

The Starbucks Impossible™ Breakfast Sandwich earns a Nom Score of B (67/100). Great sugar. Watch the sodium.

How many calories are in the Starbucks Impossible™ Breakfast Sandwich?

The Starbucks Impossible™ Breakfast Sandwich has 420 calories, with 21g protein, 36g carbs, 4g sugar, and 800mg sodium.

What is in the Starbucks Impossible™ Breakfast Sandwich?

The Starbucks Impossible™ Breakfast Sandwich is made from 4 components: Sesame Ciabatta Bun, Fried Egg Patty, Plant-Based Breakfast Patty, Sharp Cheddar Cheese. The full ingredient list for each is shown on this page.

Is the Starbucks Impossible™ Breakfast Sandwich gluten-free?

No — the allergen information for the Starbucks Impossible™ Breakfast Sandwich lists wheat or gluten.

Is the Starbucks Impossible™ Breakfast Sandwich vegetarian or vegan?

The Starbucks Impossible™ Breakfast Sandwich is marked vegetarian (but not vegan) at Starbucks.

Does the Starbucks Impossible™ Breakfast Sandwich contain artificial additives?

No commonly-flagged additives (such as high-fructose corn syrup, artificial colors, or TBHQ) were found in the Starbucks Impossible™ Breakfast Sandwich ingredients.

What is the Nom Score of the Starbucks Impossible™ Breakfast Sandwich?

It scores B — good. The Nom Score grades every item A–F on nutritional quality per calorie (sodium, sugar, saturated fat, fiber, protein, and portion size).

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