
Grande · at a glance
Breakfast
Impossible™ Breakfast Sandwich
Calories & Nutrition Facts
Calories
420
Grande
Caffeine
0mg
Grande
Sugar
4g
Grande
Protein
21g
Grande
Nutrition Facts by Size
| Size | Serving | Calories | Fat | Carbs | Sugar | Protein | Caffeine |
|---|---|---|---|---|---|---|---|
| Grande | 16 fl oz | 420 | 22g | 36g | 4g | 21g | 0mg |
View Ingredients
SESAME CIABATTA BUN [ENRICHED WHEAT FLOUR (FLOUR, NIACIN, REDUCED IRON, THIAMINE MONONITRATE, RIBOFLAVIN, FOLIC ACID), WATER, SESAME SEEDS, EGGS, DURUM WHEAT SEMOLINA, SUGAR, SUNFLOWER OIL, BUTTER (MILK), SALT, PAPRIKA, MALTED BARLEY FLOUR, YEAST, CULTURED WHEAT STARCH, MICROBIAL ENZYMES (AMYLASE)], 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 (VITAMIN E), NATURAL FLAVORS, NIACIN (VITAMIN B3), ONION POWDER, PYRIDOXINE HYDROCHLORIDE (VITAMIN B6), RIBOFLAVIN (VITAMIN B2), SALT, SODIUM ASCORBATE (VITAMIN C), SOY LEGHEMOGLOBIN, SOY PROTEIN ISOLATE, SPICES, VITAMIN B12, YEAST EXTRACT, ZINC GLUCONATE], SHARP CHEDDAR CHEESE [PASTEURIZED MILK, CHEESE CULTURE, SALT, ENZYMES, ANNATTO (FOR COLOR)]
Allergens: Egg, Milk, Sesame, Soy, Treenuts, Wheat
How Many Calories in a Starbucks Impossible™ Breakfast Sandwich?
A Grande Starbucks Impossible™ Breakfast Sandwich contains 420 calories with standard preparation. It delivers 22g of total fat, 36g of carbohydrates, 4g of sugar, 21g of protein, and 800mg of sodium. This drink is caffeine-free.
Frequently Asked Questions
How many calories are in a Grande Impossible™ Breakfast Sandwich?
A Grande Impossible™ Breakfast Sandwich has 420 calories with standard preparation. This includes 22g fat, 36g carbs, and 4g sugar.
More Breakfast
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See a full nutrition comparison with any other Starbucks drink
Nutrition values are sourced from the official Starbucks website (scraped July 2026) and reflect standard preparation. Customizations such as alternative milks, added syrups, or extra toppings will change the final values. This site is not affiliated with or endorsed by Starbucks Corporation.




