Overnight Oats Recipes: 4 Flavor Variations to Prep Ahead

Basic Overnight Oats Ingredients

This recipe makes one serving in an 8-ounce jar. You will need:

• 1/2 cup old-fashioned or quick-cooking oats
• 1 tablespoon nonfat Greek yogurt
• 1/2 cup milk (dairy or plant-based)

Both old-fashioned and quick-cooking oats work well here; they absorb liquid and soften overnight. The Greek yogurt gives a bit of creaminess and tang without making the oats overly yogurt-forward.

How to Make Overnight Oats

Making overnight oats is quick and straightforward:

• Place 1/2 cup oats, 1 tablespoon Greek yogurt, and 1/2 cup milk into an 8-ounce mason jar or similar container.
• Add any flavoring or mix-ins you prefer (see flavor suggestions below) and stir to combine so the oats are fully coated with liquid.
• Screw on the lid and give the jar a good shake to distribute ingredients evenly. Refrigerate for at least 6–8 hours, or overnight.
• In the morning, remove the lid, stir the oats again, and enjoy them cold straight from the jar. Add extra toppings like fresh fruit, chopped nuts, a drizzle of honey, or chocolate chips if desired.

Four Overnight Oats Flavors

Use the same basic base for each version—just stir the additional ingredients into the jar before refrigerating. These four flavors are simple, tasty, and versatile.

Apple Cinnamon Overnight Oats

Add to the base:

• 2 apple slices, diced
• 1/4 teaspoon ground cinnamon
• 1 tablespoon honey

The apple, cinnamon, and honey create a warm, familiar flavor without needing many extras. Honey balances the tartness of the apple and enhances the cinnamon’s aroma.

Banana Chocolate Overnight Oats

Add to the base:

• 1/4 to 1/2 banana, sliced and quartered
• 1 tablespoon mini chocolate chips

Adjust the banana amount to taste. Slicing and quartering helps distribute banana pieces throughout the oats so each spoonful has some fruit. The mini chocolate chips add a sweet contrast.

Berry Overnight Oats

Add to the base:

• 1–2 fresh strawberries, hulled and diced
• 6–10 fresh blueberries

When berries are ripe and sweet, no additional sweetener is needed. If berries are tart or you prefer sweeter oats, drizzle a little honey before serving.

Chocolate Peanut Butter Overnight Oats

Add to the base:

• 1 tablespoon peanut butter
• 1 tablespoon mini chocolate chips

Stir the peanut butter in thoroughly so it disperses through the oats. This flavor is rich and satisfying—great when you want a dessert-like breakfast that still feels wholesome.

Old-Fashioned or Quick-Cooking Oats?

Either old-fashioned (rolled) oats or quick-cooking oats will work in this recipe. Both soften overnight and create a pleasant texture. Avoid flavored instant oatmeal packets, which often include added sugars and flavors that can overwhelm the simple base.

How Sweet Should Overnight Oats Be?

Sweetness is a personal preference. Fruit and mini chocolate chips contribute sweetness naturally, so I don’t always add honey. For the apple cinnamon version, I recommend 1 tablespoon of honey to round out the flavor. For other varieties, taste before adding sweetener—it’s easy to add more later but impossible to remove.

What Size Jar Is Best for Overnight Oats?

A half-pint (8-ounce) mason jar fits one serving well and looks nicely filled. You can also use a 16-ounce jar if you prefer extra room for stirring and toppings—just expect the jar not to be completely full. A simple one-piece lid or a reusable plastic lid is fine; you don’t need canning-style lids.

How I Meal Prep Overnight Oats

I typically prepare four jars at a time. That quantity gives me several breakfasts without getting bored of the same meal. I usually make all jars the same flavor for simplicity, but you can mix flavors if you prefer variety. Overnight oats also pair well with baked oats or warm oatmeal-based breakfasts when you want a change from cold oats.

Basic Overnight Oats