Muffins peanut butter and bananas

Step 1: Preheat the oven to 350 degrees F. Mix together the sour cream and the bicarbonate of soda and leave inflate. Meanwhile, mix together the flour, baking powder and salt. Step 2: During this time, mix together the oil, brown sugar and peanut butter. Incorporate the eggs, then the bananas. Gently, incorporate the mixture of sour cream and baking soda. Step 3: gradually add the dry ingredients to the wet ingredients, mixing between each addition. Step 4: Finally, add chocolate chips and mix. Have the mixture in the muffin molds upholstered in crates in paper. Step 5: Bake in the oven at 350 degrees F for 18 to 20 minutes or until a toothpick inserted in the center comes out with moist crumbs.