Quick Recipe Version (TL;DR)
Quick Ingredients
- Dry ingredients: 2 cups all-purpose flour, 1 1/2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon fine sea salt, 2 teaspoons cinnamon, 1/4 teaspoon nutmeg
- Wet ingredients: 1/2 cup melted unsalted butter, 3/4 cup packed light brown sugar, 2 large eggs, 1/2 cup sour cream, 1/4 cup whole milk, 2 teaspoons vanilla extract
- Apples: 1 1/2 cups peeled, 1/4-inch diced firm apples
- Caramel: 1/2 cup thick caramel sauce, divided
- Crumble topping: 1/4 cup all-purpose flour, 2 tablespoons brown sugar, 1/2 teaspoon cinnamon, 1/8 teaspoon salt, 2 tablespoons cold unsalted butter
Do This
- 1. Heat oven to 375°F. Line a 12-cup muffin pan with paper liners and lightly spray the liners.
- 2. Make the crumble by rubbing together flour, brown sugar, cinnamon, salt, and cold butter until clumpy.
- 3. Whisk the dry muffin ingredients in one bowl and the wet ingredients in another.
- 4. Stir wet into dry just until combined, then fold in the diced apples.
- 5. Fill each muffin cup halfway, add 1 teaspoon caramel, cover with batter, then swirl 1/2 teaspoon caramel on top.
- 6. Sprinkle with crumble and bake for 20 minutes at 375°F.
- 7. Cool for 15 minutes, then drizzle with the remaining caramel and serve warm or at room temperature.
Why You’ll Love This Recipe
- Moist and tender: Sour cream, melted butter, and juicy diced apples keep every bite soft and bakery-style.
- Warm cinnamon-spiced flavor: Cinnamon, nutmeg, brown sugar, and apple make these taste like a cozy fall dessert.
- Caramel in every muffin: A caramel center, a light swirl on top, and a finishing drizzle give them that classic caramel apple feel.
- Crowd-pleasing and easy: No mixer required, simple pantry ingredients, and a sweet crumble topping that makes them feel special.
Grocery List
- Produce: 2 medium firm apples, such as Honeycrisp, Granny Smith, Pink Lady, or Fuji
- Dairy: Unsalted butter, large eggs, full-fat sour cream or plain Greek yogurt, whole milk
- Pantry: All-purpose flour, light brown sugar, baking powder, baking soda, fine sea salt, ground cinnamon, ground nutmeg, vanilla extract, thick caramel sauce, paper muffin liners, nonstick spray
Full Ingredients
For the Apple Cinnamon Muffin Batter
- 2 cups (250g) all-purpose flour, spooned and leveled
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon fine sea salt
- 2 teaspoons ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/2 cup (113g) unsalted butter, melted and cooled for 5 minutes
- 3/4 cup (160g) packed light brown sugar
- 2 large eggs, at room temperature
- 1/2 cup (120g) full-fat sour cream or plain Greek yogurt, at room temperature
- 1/4 cup (60ml) whole milk, at room temperature
- 2 teaspoons vanilla extract
- 1 1/2 cups (180g) peeled apples, diced into 1/4-inch pieces
For the Caramel Swirl and Drizzle
- 1/2 cup (160g) thick caramel sauce, divided
- Use 1/4 cup for the muffin centers, 2 tablespoons for the top swirls, and 2 tablespoons for the finishing drizzle.
For the Cinnamon Crumble Topping
- 1/4 cup (31g) all-purpose flour
- 2 tablespoons (25g) packed light brown sugar
- 1/2 teaspoon ground cinnamon
- 1/8 teaspoon fine sea salt
- 2 tablespoons (28g) cold unsalted butter, cut into small cubes

Step-by-Step Instructions
Step 1: Prepare the oven and muffin pan
Preheat the oven to 375°F (190°C). Line a standard 12-cup muffin pan with paper liners, then lightly coat the liners with nonstick spray. The spray helps the tender muffins release cleanly, especially where the caramel gets close to the edges.
Step 2: Make the cinnamon crumble
In a small bowl, stir together 1/4 cup flour, 2 tablespoons brown sugar, 1/2 teaspoon cinnamon, and 1/8 teaspoon salt. Add the 2 tablespoons cold cubed butter. Use your fingertips, a fork, or a pastry cutter to rub the butter into the dry ingredients until the mixture forms moist crumbs with a few pea-size pieces. Refrigerate the crumble while you make the batter so it stays nicely clumpy.
Step 3: Mix the dry ingredients
In a large mixing bowl, whisk together the 2 cups flour, baking powder, baking soda, salt, cinnamon, and nutmeg for about 20 seconds. This evenly distributes the leavening and spices, which helps the muffins rise evenly and gives every bite warm apple-pie flavor.
Step 4: Mix the wet ingredients
In a separate medium bowl, whisk the melted butter and brown sugar until glossy and combined, about 30 seconds. Add the eggs one at a time, whisking well after each addition. Whisk in the sour cream, milk, and vanilla extract until smooth. The mixture may look slightly thick and creamy; that is exactly what you want for a moist muffin crumb.
Step 5: Combine the batter and fold in the apples
Pour the wet ingredients into the dry ingredients. Use a flexible spatula to fold gently just until the flour streaks are mostly gone. Add the 1 1/2 cups diced apples and fold until evenly distributed. Stop mixing as soon as the batter comes together; overmixing can make muffins dense instead of soft and plush.
Step 6: Fill, caramel, and swirl
Spoon about 1 1/2 tablespoons batter into each muffin cup, filling each liner about halfway. Add 1 teaspoon thick caramel sauce to the center of each cup, keeping the caramel away from the paper liner edges so it stays tucked inside the muffin. Divide the remaining batter over the tops, filling each cup about 3/4 full. Spoon about 1/2 teaspoon caramel sauce over the top of each muffin and use a toothpick to gently swirl it into the surface with 2 or 3 small figure-eight motions.
Step 7: Add the crumble and bake
Remove the crumble from the refrigerator and sprinkle it evenly over the muffin tops, using about 1 tablespoon crumble per muffin. Bake on the center rack at 375°F (190°C) for 20 minutes, until the tops are domed, the crumble is lightly golden, and a toothpick inserted into the cakey portion of a muffin comes out clean or with a few moist crumbs. Avoid testing directly through a caramel pocket, since melted caramel will look wet even when the muffin is fully baked.
Step 8: Cool and finish with caramel drizzle
Let the muffins cool in the pan for 5 minutes, then transfer them to a wire rack. Cool for another 10 minutes before drizzling with the remaining 2 tablespoons caramel sauce. If the caramel is too thick to drizzle, warm it in the microwave for 8 to 10 seconds, just until spoonable. Serve the muffins warm for the softest caramel center, or let them cool completely for a more set, bakery-style finish.
Pro Tips
- Choose firm apples: Honeycrisp, Granny Smith, Pink Lady, and Fuji hold their shape well and give the muffins bright apple flavor without turning mushy.
- Dice the apples small: Aim for 1/4-inch pieces so the apples soften fully during the 20-minute bake and distribute evenly through the batter.
- Use thick caramel sauce: A thick caramel or dulce de leche-style sauce works best. Thin ice cream syrup can sink too much or make the muffin liners sticky.
- Do not overmix: Fold the batter gently and stop as soon as it looks combined. A few tiny lumps are better than a tough muffin.
- Keep caramel away from the edges: Place the caramel in the center of each muffin cup so it becomes a gooey pocket instead of bubbling out against the liner.
Variations
- Salted Caramel Apple Muffins: Sprinkle each finished muffin with a tiny pinch of flaky sea salt after drizzling with caramel.
- Pecan Caramel Apple Muffins: Add 1/2 cup finely chopped toasted pecans to the crumble topping for extra crunch and nutty flavor.
- Apple Pie Spice Muffins: Replace the cinnamon and nutmeg in the muffin batter with 2 1/4 teaspoons apple pie spice for a deeper bakery-style spice blend.
Storage & Make-Ahead
Store completely cooled muffins in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 5 days. For the best texture, rewarm one muffin in the microwave for 10 to 12 seconds before serving. To freeze, cool the muffins completely and freeze them without the final caramel drizzle in a freezer-safe bag or container for up to 2 months. Thaw overnight in the refrigerator or at room temperature for 1 hour, then warm in a 300°F (150°C) oven for 8 minutes and drizzle with fresh caramel. For make-ahead prep, mix the dry ingredients up to 1 week in advance and refrigerate the crumble topping for up to 3 days. Do not mix the full batter ahead of time, because the baking powder and baking soda begin working as soon as the wet and dry ingredients combine.
Nutrition (per serving)
Calories: 310 kcal | Carbs: 43g | Protein: 4g | Fat: 13g | Saturated Fat: 8g | Fiber: 1g | Sugar: 23g | Sodium: 250mg | Cholesterol: 62mg
