Apple Oatmeal Muffins

An icon representing a clock 40 min | easy | vegetarian
Review

Introduction

No bland muffins on my watch: these Apple Oatmeal Muffins are cozy and not too sweet, with tender oats, juicy Honeycrisp bits, and warm cinnamon-nutmeg for a bakery-soft crumb without the fuss.

Perfect for busy mornings, lunch boxes, or coffee breaks, they are batch- and freezer-friendly so you can bake once and grab-and-go all week.

Ingredients  (12 servings)

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Ingredients

  • 1 cup old-fashioned rolled oats
  • 1 cup whole milk
  • 1½ cups all-purpose flour
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • 1½ tsp ground cinnamon
  • ½ tsp ground nutmeg
  • ½ cup brown sugar, packed
  • 1 large egg
  • ⅓ cup vegetable oil
  • 1 tsp pure vanilla extract
  • 2 medium Honeycrisp apples, peeled, finely chopped
Apple Oatmeal Muffins

How to Make Apple Oatmeal Muffins

  1. Soak the oats

    Combine 1 cup rolled oats and 1 cup milk in a bowl and let sit 10 to 15 minutes until the oats are plush and the milk is mostly absorbed.

  2. Preheat and prep the pan

    Heat the oven to 400 F and line a 12-cup muffin tin with liners or grease lightly with oil.

  3. Whisk the dry ingredients

    In a large bowl whisk 1 1/2 cups flour, 1 teaspoon baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, 1 1/2 teaspoons cinnamon, and 1/2 teaspoon nutmeg until uniform.

  4. Mix the wet ingredients

    In a separate bowl whisk 1/2 cup packed brown sugar, 1 large egg, 1/3 cup vegetable oil, and 1 teaspoon vanilla until smooth and glossy.

  5. Add the soaked oats

    Stir the soaked oats and any remaining milk into the wet mixture until evenly combined.

  6. Bring it together

    Pour the wet mixture into the dry and fold with a spatula just until you see a few streaks of flour.

  7. Fold in the apples

    Gently fold in the finely chopped Honeycrisp apples until just distributed, and stop as soon as the batter looks cohesive.

  8. Fill the wells

    Divide the batter evenly among the 12 cups, filling each about 3/4 full for nice domes.

  9. Bake with a hot start

    Bake 5 minutes at 400 F, then reduce oven to 375 F without opening the door and bake 12 to 15 minutes more until a toothpick comes out with a few moist crumbs.

  10. Cool before devouring

    Cool in the pan 5 minutes, then transfer to a rack to finish cooling so the crumb sets and stays tender.

Apple Oatmeal Muffins

Substitutions

Milk -> Buttermilk or plain yogurt
Using buttermilk or yogurt adds tang and extra tenderness, giving the crumb a bakery-soft bite while balancing the sweetness of the apples.
Vegetable oil -> Melted butter
Melted butter brings richer flavor and a slightly tighter crumb that eats like a cozy cake, perfect if you want more buttery depth.
Honeycrisp apples -> Granny Smith or ripe pear
Granny Smith adds a bright tart pop and holds shape well, while pear brings a softer, perfumed sweetness that melts into the muffin.
Apple Oatmeal Muffins

Tips

Hydrate the oats fully
A proper 10 to 15 minute soak prevents dry flecks and creates that plush, nubby crumb you want from an oatmeal muffin.
Do not overmix
Fold until the flour just disappears to avoid activating too much gluten, which keeps the muffins tender and lofty.
Apple size matters
Chop apples small and even, about pea to corn-kernel size, so they distribute evenly and do not sink or create gummy pockets.
Hot start for high domes
The initial 400 F kick sets the edges fast, then lowering to 375 F lets the centers rise tall without drying out.
Balance moisture
If your apples are extra juicy, blot them lightly with a paper towel so the batter stays the right thickness and bakes through cleanly.
Use liners or a light grease
A thin film of oil or paper liners prevents sticking and keeps edges delicate rather than tough or fried.

Nutrition Facts *

Energy 304 kcal
Protein 7 g
Total Fat 12 g
Carbohydrates 45 g
Dietary Fiber 1 g

* Approximate, per serving.
Data source: USDA FoodData Central.

FAQ

My muffins baked up dense. What went wrong?
Overmixing is the usual culprit, so stop folding as soon as the flour disappears, and check that your baking powder and soda are fresh within 6 months.
The centers are gummy even though the tops look done. How do I fix this?
Bake 2 to 4 minutes longer and check with a toothpick for moist crumbs, and make sure the chopped apples are small and not overly wet.
Can I use quick oats instead of old-fashioned oats?
Yes, use the same amount and keep the soak to about 10 minutes since quick oats hydrate faster and can make the batter thicker.
Can I make these dairy free?
Use oat milk or almond milk for soaking and stick with oil for fat, and the texture will stay tender without dairy.
Can I freeze the muffins?
Yes, cool completely, wrap individually, and freeze up to 2 months, then reheat at 300 F for 8 to 10 minutes or microwave in short bursts.
How do I get more cinnamon flavor without making them harsh?
Add 1/2 teaspoon cinnamon to the brown sugar and rub it in with your fingers before mixing so the spice blooms evenly in the batter.

Serving Suggestions

Serve warm with a swipe of salted butter or a slice of sharp cheddar if you are feeling New York deli meets bakery vibes.

For a weekend flex, brush the warm tops with a thin maple glaze and dust with a pinch of cinnamon sugar, then pour coffee and try not to brag when everyone asks for seconds.

More pairings:

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