Cinnamon Apple Baked Oatmeal with Vanilla Yogurt

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A hearty, one-bowl breakfast baked to perfection with spiced apples and rolled oats, served with a dollop of creamy vanilla yogurt. This American-inspired recipe, ready in about 45 minutes, combines rolled oats, milk, egg into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 305 calories and feeds 4, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 35 min Serves 4 American cuisine 305 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. Grease a 9x9-inch baking dish with cooking spray.
  2. Step 2: In a large bowl, whisk together 1 cup rolled oats, 1 cup milk, 1 large egg, 1/4 cup maple syrup, 1 tsp vanilla extract, and 1/2 tsp ground cinnamon until well combined.
  3. Step 3: Stir in 1 medium peeled and diced apple (into 1/4-inch cubes) and 1/4 cup chopped walnuts until evenly distributed.
  4. Step 4: Pour the mixture into the prepared baking dish and spread into an even layer.
  5. Step 5: Bake for 35-40 minutes, until the top is golden brown and a knife inserted into the center comes out clean.
  6. Step 6: Let cool for 10 minutes, then serve topped with 1/2 cup plain vanilla yogurt.

Frequently asked questions

How long does Cinnamon Apple Baked Oatmeal with Vanilla Yogurt take to make?

Total time is about 45 minutes (10 min prep + 35 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.

How do I store leftover Cinnamon Apple Baked Oatmeal with Vanilla Yogurt?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.

Can I substitute ingredients in Cinnamon Apple Baked Oatmeal with Vanilla Yogurt?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Cinnamon Apple Baked Oatmeal with Vanilla Yogurt for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Cinnamon Apple Baked Oatmeal with Vanilla Yogurt?

American breakfast like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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