Overnight Oats with Protein (28g Protein, Make-Ahead Breakfast) | Eati

Overnight oats with protein is a 3-minute make-ahead breakfast that delivers 28g of protein, 7g of fiber, and 330 calories. Combine rolled oats, Greek yogurt, whey protein, and milk in a jar tonight — and wake up to a creamy, cold, macro-perfect breakfast that's ready to eat.

Overnight Oats with Protein (28g Protein, Make-Ahead Breakfast) | Eati — featured image for this nutrition and weight loss article on Eati

Ingredients (1 serving)

- 1/2 cup (40g) rolled oats - 1/2 cup (120g) nonfat Greek yogurt - 1/2 scoop (15g) vanilla whey protein - 1/2 cup (120ml) unsweetened almond milk (or skim milk) - 1 tbsp chia seeds - 1/2 tsp vanilla extract - 1/4 tsp cinnamon - Pinch of salt - Topping: 1/2 cup (75g) mixed berries - Optional: 1 tsp honey, 1 tbsp nut butter

Instructions

1. In a 16 oz mason jar or container, combine oats, Greek yogurt, protein powder, milk, chia, vanilla, cinnamon, and salt. 2. Stir well until no protein powder clumps remain. 3. Seal the jar and refrigerate at least 6 hours (overnight is ideal). 4. Top with berries (and optional honey/nut butter) in the morning. 5. Eat cold straight from the jar, or warm 60 seconds in microwave. 6. Log in Eati.

Calories, Fat, and Protein (Estimated)

Calories: 330 kcal per serving (base recipe) Fat: 6g Protein: 28g Carbs: 42g (7g fiber) With 1 tbsp peanut butter: 430 cal, 31g protein. With full scoop whey (not 1/2): +60 cal, +12g protein (40g total).

Why Overnight Oats with Protein Work So Well

Standard overnight oats (just oats + milk) are healthy but weak on protein — 15g or less per serving. Adding Greek yogurt and whey transforms this into a true fat-loss breakfast. Macro breakdown: • 330 calories • 28g protein (complete) • 6g fat • 42g carbs with 7g fiber • ~8.5g protein per 100 calories The no-cook advantage: Overnight oats don't need cooking — cold liquid softens oats over 6+ hours into a creamy, ready-to-eat breakfast. For anyone who: • Doesn't have 10 minutes in the morning • Can't stand hot breakfast • Wants grab-and-go portability • Meal preps on Sunday ...overnight oats are the ultimate solution. The yogurt + whey combo: • Greek yogurt: 12g casein protein (slow-digesting). • 1/2 scoop whey: 12g fast-digesting protein. • Combined = sustained release over 4–6 hours. This dual-protein approach is exactly what muscle-protein-synthesis research recommends: fast protein starts the process, slow protein continues it. Fiber profile: • Oats: 4g fiber. • Chia seeds: 3g fiber. • Berries: 3g fiber. • Total: 10g+ fiber (40%+ DV) — exceptional for a breakfast. Comparison to alternatives: • Store-bought overnight oats cup: 280 cal, 10g protein, lots of added sugar. • Classic oatmeal + raisins: 300 cal, 8g protein. • This recipe: 330 cal, 28g protein, 0g added sugar. For more make-ahead options, see chia pudding with protein powder and 20 high-protein low-calorie breakfast ideas.

Overnight Oats Ratios That Actually Work

Most overnight oats recipes online give the wrong ratios — too runny, too thick, or too gummy. Here's the tested formula: Classic ratio (this recipe): • 1/2 cup oats : 1/2 cup yogurt : 1/2 cup milk : 1 tbsp chia = 1 serving. • Total liquid (including yogurt): ~1 cup. • Result: creamy, spoonable, not soupy. Texture preferences: • Thicker (pudding-like): reduce milk to 1/3 cup + add extra 1 tbsp chia. • Thinner (porridge-like): add extra 1/4 cup milk. • With fruit mixed in: no adjustment needed. • Warm version: microwave 60 seconds, stir, add splash of milk. Oat types (not interchangeable): • Rolled oats (old-fashioned): IDEAL. Absorb liquid evenly, chewy bite. • Quick oats: work but get mushier; cut prep time to 3 hours. • Steel-cut oats: DON'T WORK overnight. Need hot cooking to soften. • Instant oatmeal packets: Too fine, become gluey. Avoid. • Oat flour: creates a paste. Use only in baking. Liquid choices: • Unsweetened almond milk (30 cal): lowest cal, neutral flavor. • Skim dairy milk (80 cal): creamier, +8g protein. • Greek yogurt base (alternative): ultra-creamy, +15g protein. • Oat milk (120 cal): sweetest, creamy but adds carbs. • Half water + half milk: budget option, cuts calories. Pro tip: Stir twice. Stir everything initially, wait 5 minutes, stir again. This prevents chia and protein powder from clumping at the bottom. Skipping this step is the #1 overnight oats mistake.

10 Overnight Oats Flavor Combinations

Rotate through these to never get bored. All stay around 28–35g protein: 1. Classic vanilla berry (this recipe, 330 cal, 28g protein): • Base + mixed berries + vanilla + cinnamon. 2. Peanut butter banana (440 cal, 31g protein): • Base + 1 tbsp PB + 1/2 sliced banana + extra cinnamon. 3. Chocolate peanut butter (410 cal, 31g protein): • Chocolate whey + 1 tbsp PB + 1 tbsp cocoa + sugar-free chocolate chips. 4. Apple cinnamon (350 cal, 28g protein): • Base + 1/2 diced apple + extra cinnamon + 1 tsp maple syrup. 5. Pumpkin spice (340 cal, 28g protein): • Base + 3 tbsp pumpkin puree + pumpkin pie spice. 6. Strawberry cheesecake (350 cal, 29g protein): • Strawberry whey + 1/2 cup strawberries + 2 tbsp cottage cheese mixed in. 7. Carrot cake (370 cal, 28g protein): • Vanilla whey + 1/4 cup grated carrot + cinnamon + 1 tbsp walnuts + raisins. 8. Tropical (375 cal, 29g protein): • Vanilla whey + coconut milk + 1/2 cup diced mango + 1 tbsp toasted coconut. 9. Blueberry lemon (345 cal, 28g protein): • Base + 1/2 cup blueberries + zest of 1 lemon + extra vanilla. 10. Tiramisu (340 cal, 29g protein): • Vanilla whey + 1 shot espresso + 1 tbsp cocoa + 1 tbsp mascarpone. Seasonal rotations: • Spring: strawberry, lemon-blueberry, cherry vanilla. • Summer: peach, tropical, mixed berry. • Fall: apple, pumpkin, caramel. • Winter: chocolate orange, gingerbread, cranberry vanilla. Morning toppings (added fresh): • +20 cal: cinnamon, honey drizzle, lemon zest. • +40 cal: fresh fruit (1/2 cup), granola (1 tbsp). • +100 cal: nut butter (1 tbsp), nuts (1 tbsp), dark chocolate (1 tbsp).

Meal Prep: 5 Jars in 10 Minutes

Overnight oats are designed for batch prep. Here's the efficient Sunday routine: Sunday assembly: 1. Line up 5 pint-size (16 oz) mason jars. 2. In each: 1/2 cup oats + 1/2 scoop whey + 1 tbsp chia + pinch salt + 1/4 tsp cinnamon. 3. Add 1/2 cup Greek yogurt + 1/2 cup milk + 1/2 tsp vanilla. 4. Seal and shake each jar vigorously for 10 seconds. 5. Wait 5 min, shake again to prevent clumping. 6. Refrigerate. Monday–Friday: • Grab jar. • Add berries (pre-washed) or other fresh topping. • Eat cold, or microwave 60 sec. • Rinse jar for reuse. Storage rules: • Plain base (no fresh fruit): 5 days in fridge. • With fruit mixed in: 3 days max. • Freezer: 1 month in freezer-safe jar (leave 1 inch headspace). • Reheat from frozen: thaw overnight in fridge or microwave 90 sec. Assembly time saving: • Pre-portion dry ingredients (oats + chia + protein powder) into mini ziplock bags — takes 5 minutes for a month's worth. • When you want a jar: empty bag into jar, add yogurt + milk, shake, done. Container options: • Mason jars (best): clear, see contents, wide mouth for easy eating. • OXO containers: airtight, come in matching sizes. • Takeaway cups (work-friendly): insulated with a lid, portable. Smart shopping: • Rolled oats in 5 lb bags: $0.15/serving. • Greek yogurt in 32 oz tubs: $0.80/serving. • Whey in 5 lb tubs: $0.40/half-scoop. • Almond milk in half-gallon cartons: $0.30/serving. • Chia in 2 lb bags: $0.15/serving. • Total cost per jar: ~$1.80. Compared to: • Starbucks oatmeal: $4.25. • Grocery store overnight oats cup: $3.50. For more budget-friendly meal prep, see best free calorie counter and how to track calories with an app.

Meal prep 5 breakfasts in 10 minutes. Log these overnight oats in Eati and set yourself up for a protein-packed week.

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Conclusion

A 3-minute assembly gives you 330 calories with 28g protein and 7g fiber — arguably the single best meal prep breakfast you can make. Batch 5 jars on Sunday and you're done thinking about breakfast until Friday.

Frequently Asked Questions

How many calories in overnight oats with protein?

About 330 calories per serving with 1/2 cup oats, 1/2 cup Greek yogurt, 1/2 scoop whey, 1/2 cup almond milk, and 1/2 cup berries. Delivers 28g protein and 7g fiber.

How long do overnight oats last in the fridge?

Plain overnight oats (no fresh fruit mixed in) last 5 days in the refrigerator. Once fresh fruit is added, eat within 3 days — the berries get mushy. For longest shelf life, assemble the oats base ahead and top with fruit only the morning you eat it.

Can I eat overnight oats warm?

Yes — microwave 60 seconds and stir in a splash of milk to thin if needed. Overnight oats give you the best of both worlds: ready-to-eat cold, or reheatable to creamy porridge in under 2 minutes.

What's the best protein powder for overnight oats?

Vanilla whey isolate dissolves smoothly and has a neutral flavor that works with any topping. For slower-release protein, casein works but creates a thicker texture. Plant-based blends (pea + rice) work fine but are slightly grainier.

Are overnight oats good for weight loss?

Yes — 28g of protein + 7g of fiber in 330 calories is an excellent fat-loss macro profile. The slow-release carbs prevent blood sugar crashes, and the satiety is strong enough to push lunch back by 1–2 hours. Just watch the toppings — nut butter and granola can easily add 150+ cal.

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