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These chia seed overnight oats are one of my most requested breakfast recipes. They’re simple to prepare, nutrient-dense, and ideal for busy mornings or meal prep.

What I Love about this Recipe
- Perfect for meal prepping and making ahead for busy mornings.
- Vegan, plant-based, and gluten-free when you use certified gluten-free oats.
- Keeps well in the refrigerator for up to five days.
- Quick and easy — suitable for beginners.
Ingredient Notes

Oats: I recommend old-fashioned rolled oats for texture. Quick oats can work but are more processed and can become mushy.
Chia seeds: Chia seeds thicken the mixture and add fiber, healthy fats, and texture. They’re usually found in the health food section of most grocery stores.
Plant-based yogurt: Using a flavored vegan yogurt (like vanilla or peach) adds sweetness and creaminess without extra effort. If you prefer plain, you can sweeten to taste.
Plant-based milk: Almond or oat milk work well here. You can use your favorite non-dairy milk — adjust amounts slightly if the milk is very thin or very thick.
See the recipe card below for the full ingredient list and quantities.
Step-by-Step Instructions

Making chia seed overnight oats is straightforward and quick. Here’s how to prepare them:
- Combine all ingredients in a jar or airtight container. Mason jars work well for mixing, storing, and taking oats on the go.
- Stir thoroughly with a spoon or fork so the chia seeds are evenly distributed. Let the mixture sit for 3–5 minutes, then stir again to avoid clumping.
- Cover the jar and refrigerate. It generally takes 1–2 hours for the oats and chia seeds to absorb the liquid and thicken, though overnight yields the best texture.
- When ready to eat, remove from the fridge, stir once more, add any toppings you like, and enjoy.

Substitutions and Additions
Plant-based milks: Almond and oat milk are my favorites here. Cashew milk or a light carton coconut milk would also work. Avoid canned coconut milk unless you want a very rich, coconut-forward flavor.
Plant-based yogurt: Any vegan yogurt can be used. Flavored varieties add sweetness and depth; plain yogurt will keep the recipe neutral and is easy to customize with fruit, maple syrup, or spices.
Chia-free option: If you don’t have chia seeds, try a classic overnight oats version without them — the oats will still soften and thicken, though the texture will differ.
Suggested toppings: Stir in or top with fresh fruit, nuts, seeds, hemp seeds, granola, coconut flakes, or dried fruit for added crunch and flavor.

Storage
Store these overnight oats in a sealed container in the refrigerator for up to five days. Mason jars are ideal for mixing, storing, and transporting single servings.
Try these oats with different fruit and nut combinations to keep breakfast interesting throughout the week.
Recipe: Chia Seed Overnight Oats
Chia Seed Overnight Oats
A simple, creamy, plant-based breakfast made with oats, chia seeds, plant-based milk, and yogurt. Great for meal prep and busy mornings.
Prep Time: 5 mins
Chill Time: 2 hrs (or overnight)
Total Time: 2 hrs
Servings: 2
Calories: 249 kcal per serving
Ingredients
- 3/4 cup old-fashioned rolled oats (uncooked)
- 1 tablespoon chia seeds
- 1 1/4 cup plant-based milk
- 1/4 cup plant-based yogurt
Instructions
- Combine the oats, chia seeds, plant-based milk, and yogurt in a jar or airtight container.
- Stir well, then let sit for 3–5 minutes and stir again to prevent chia clumps.
- Cover and refrigerate for about 2 hours or overnight until thickened.
- Remove from the fridge, stir, add toppings if desired, and serve.
Notes
These overnight oats keep in the refrigerator in a sealed container for up to five days. Adjust sweetness or thickness by adding more yogurt, milk, or a splash of sweetener to taste.
Nutrition (per serving)
Calories: 249 kcal | Carbohydrates: 40.4 g | Protein: 9.8 g | Fat: 6.2 g | Sodium: 89 mg | Fiber: 6.9 g
If you make this recipe, try experimenting with seasonal fruit toppings or different plant-based yogurts for variety.