Peanut Butter Banana Muffins (Soft, Moist & Fluffy)

These muffins are packed with rich peanut butter flavor and naturally sweet bananas. Perfect for breakfast, snacks, or lunchboxes!

Makes: 12 muffins
Bake Temp: 350°F (175°C)
Bake Time: 18–22 minutes

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📝 Ingredients

• 1½ cups (190g) all-purpose flour

• 1 tsp baking soda

• ½ tsp baking powder

• ½ tsp salt

• 1 tsp cinnamon (optional)

• ½ cup (120g) creamy peanut butter

• ½ cup (100g) brown sugar

• ¼ cup (50g) granulated sugar

• 2 ripe bananas, mashed (about 1 cup)

• 2 large eggs

• ⅓ cup (80ml) vegetable oil or melted butter

• 1 tsp vanilla extract

• ¼ cup (60ml) milk

• Optional: ½ cup chocolate chips or chopped peanuts

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👩‍🍳 Instructions

Step 1: Prep

1. Preheat oven to 350°F (175°C).

2. Line a 12-cup muffin tin with liners or grease lightly.

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Step 2: Mix Dry Ingredients

In a bowl, whisk together:

• Flour

• Baking soda

• Baking powder

• Salt

• Cinnamon

Set aside.

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Step 3: Mix Wet Ingredients

In a large bowl:

1. Beat peanut butter and both sugars until smooth.

2. Add mashed bananas and mix well.

3. Beat in eggs one at a time.

4. Stir in oil (or melted butter), vanilla, and milk.

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Step 4: Combine

• Gradually fold dry ingredients into wet mixture until just combined.

• Do not overmix.

• Fold in chocolate chips or peanuts if using.

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Step 5: Bake

1. Divide batter evenly into muffin cups (about ¾ full).

2. Bake for 18–22 minutes, until a toothpick inserted comes out clean.

3. Cool in pan 5 minutes, then transfer to wire rack.

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✨ Optional Upgrades

• Swirl extra peanut butter on top before baking

• Sprinkle coarse sugar for a crunchy top

• Add ½ tsp espresso powder for deeper flavor

• Use chunky peanut butter for texture

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🧊 Storage

• Room temperature (airtight): 3 days

• Refrigerator: 5–6 days

• Freeze up to 2 months

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💡 Tips for Extra Moist Muffins

• Use very ripe bananas (lots of brown spots).

• Don’t overmix once flour is added.

• Let muffins cool fully — they set as they rest.

• For bakery-style tall tops, bake first 5 minutes at 400°F, then reduce to 350°F.

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If you’d like, I can also give you:

• 🍫 Peanut butter banana chocolate chip muffins

• 🥜 Healthy 4-ingredient version

• 🧁 Peanut butter banana mini muffins

• 🍯 Honey-sweetened version

Which one would you like next? 😊