StarbucksStarbucksImpossible™ Breakfast Sandwich
The Starbucks Impossible™ Breakfast Sandwich has 420 calories, with 21g protein, 36g carbs, 4g sugar, and 800mg sodium.
Great sugar. Watch the sodium.
Vegetarian
420
Calories
21g
Protein
36g
Carbs
800mg
Sodium
Nutrition verified June 2026 against official published data from Starbucks.
Is 420 cal right for your day?Get your personalized calorie & macro targets on MyPlate.foodPortion check
How much is this, really?
A satisfying portion
Enough to take the edge off, but you might want something with it
15
1 × 420 cal = 420 cal
Here's what this means for your daily nutrition
35%
40%
8%
A balanced option — nothing too extreme either way.
By the numbers
Nutrition & Nom Score
Nutrition Facts
Calories
420
% Daily Value*
Total Fat
22g28%
Saturated Fat
8g40%
Trans Fat
0g
Cholesterol
190mg63%
Sodium
800mg35%
Total Carbohydrates
36g13%
Dietary Fiber
3g11%
Total Sugars
4g
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 BreakdownB
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%).
What's inside
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
Order this instead
Healthier swaps at Starbucks
Same kind of order, better Nom Score — these Starbucks picks beat the Impossible™ Breakfast Sandwich (grade B) by the numbers.