3-Ingredient Cinnamon Apple Oatmeal

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A no-cook breakfast that’s sweet, cozy, and ready in minutes, perfect for busy mornings with only three simple ingredients. This american-inspired breakfast (vegetarian) ready in about 5 minutes combines old-fashioned oats, unsweetened almond milk, honey 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 320 calories and feeds 1, 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.

★ 3.2 (10 ratings) Prep: 5 min Serves 1 American cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: In a bowl, combine 1/2 cup old-fashioned oats, 1 cup unsweetened almond milk, 1 tsp cinnamon, and 2 tbsp honey. Stir well to fully coat oats.
  2. Step 2: Cover and refrigerate for at least 2 hours (or overnight) until oats are fully hydrated and thickened, stirring once halfway through.
  3. Step 3: Just before serving, top with 1/2 cup diced apples and a sprinkle of extra cinnamon for freshness and crunch.

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Frequently asked questions

How long does 3-Ingredient Cinnamon Apple Oatmeal take to make?

Total time is about 5 minutes (5 min prep + 0 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 3-Ingredient Cinnamon Apple Oatmeal?

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 3-Ingredient Cinnamon Apple Oatmeal?

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 3-Ingredient Cinnamon Apple Oatmeal for a different number of people?

The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). 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.

Is 3-Ingredient Cinnamon Apple Oatmeal vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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