Ingredients

Wet Ingredients:

Brown Sugar (2/3 cup): This imparts a caramel-like sweetness that complements the bananas and chocolate.
Unsalted Butter (2 tablespoons): Adds richness and helps create a tender crumb.
Egg (1 large): Provides structure and ensures the muffins hold together beautifully.
Vanilla Extract (1 teaspoon): A subtle yet essential addition that enhances all the other flavors.
Ripe Bananas (2 medium, mashed): The heart of the recipe, bananas add natural sweetness, moisture, and a hint of tropical flavor.
Sour Cream (1/2 cup): Keeps the muffins moist and adds a tangy balance to the sweetness.
Whole Milk (2/3 cup): Helps create a smooth, pourable batter.

Dry Ingredients:

All-Purpose Flour (2 cups): The structural base of the muffins.
Baking Powder (2 teaspoons): Ensures the muffins rise and become fluffy.
Baking Soda (1 teaspoon): Reacts with the acidic sour cream for extra lift.
Table Salt (1/2 teaspoon): Enhances the overall flavor profile.
Cinnamon (1 teaspoon): Adds warmth and a subtle spice.
Graham Cracker Crumbs (3/4 cup): The key to capturing that signature s’mores flavor.

Mix-ins:

Mini Chocolate Chips (1 cup, divided): For gooey chocolate pockets throughout.
Mini Marshmallow Bits (1 cup, divided): Adds chewiness and the classic s’mores gooey texture.

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Instructions

Step 1: Preheat and Prepare

Preheat your oven to 400°F (200°C).
Line a muffin tin with 16 liners or spray with nonstick baking spray.

Pro Tip: Use parchment liners for a professional look and to ensure the muffins don’t stick.

Step 2: Mix the Wet Ingredients

In a large mixing bowl, combine the melted butter and brown sugar. Beat until the mixture is smooth and creamy.
Add the egg, vanilla extract, mashed bananas, and sour cream. Mix until well blended.

Aromas to Enjoy: The sweet scent of ripe bananas mingled with vanilla creates an inviting start to your baking session.

Step 3: Whisk the Dry Ingredients

In a separate bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and graham cracker crumbs.

Texture Insight: The graham cracker crumbs add a rustic, slightly crumbly texture that enhances the s’mores vibe.

Step 4: Combine Wet and Dry Ingredients

Gradually add the dry ingredients to the wet mixture, alternating with the milk. Stir gently after each addition.
Mix just until the ingredients are combined—overmixing can lead to dense muffins.

Step 5: Fold in the Mix-ins

Gently fold in 3/4 cup of the chocolate chips and 3/4 cup of the marshmallow bits.

Tip: Reserve the remaining mix-ins for topping the muffins.

Step 6: Fill the Muffin Liners

Divide the batter evenly among the 16 liners, filling each about three-quarters full.
Sprinkle the tops with the remaining chocolate chips and marshmallow bits for a visually appealing finish.

Step 7: Bake

Bake the muffins for 16 minutes, or until a toothpick inserted into the center comes out clean.
Let the muffins cool in the pan for a few minutes before transferring them to a wire rack to cool completely.

Aromas to Savor: Your kitchen will be filled with the irresistible scent of bananas, chocolate, and toasted marshmallows—a combination that’s nothing short of heavenly.

Notes

Moist and Tender: The banana and sour cream ensure a melt-in-your-mouth crumb.
Decadent Chocolate: Pockets of melted chocolate chips provide bursts of indulgence.
Chewy Marshmallows: The gooey marshmallow bits add a delightful surprise.
Crunchy Top: The graham cracker crumbs lend a satisfying crunch to balance the softness.

Author: Paula Susan
Prep Time: 20 minutes
Cook Time: 16 minutes