Paula's Banana Oat Muffins

Step 1 -Preheat the oven to 350 degrees F.

Step 2 -Grease a 12-cup muffin tin or line with paper liners.

Step 3 -In the container of a food processor, add 1 cup of the rolled oats and process until finely ground.

Step 4 -In a large bowl, add the ground oats, the flour, 1 tablespoon of the whole oats, 1/2 cup of the walnuts, the baking soda, the baking powder, 1/4 teaspoon of the cinnamon, and the salt and stir to combine.

Step 5 -In a separate large bowl, add 1/2 cup of the butter and the white sugar and beat with an electric hand mixer until light and fluffy.

Step 6 -One at a time, add the eggs to the butter mixture and beat after each addition, until well-combined.

Step 7 -Add the mashed banana and the vanilla extract to the butter mixture and stir to combine.

Step 8 -Add the sour cream to the banana mixture and stir to combine.

Step 9 -Add the ground oat mixture to the banana mixture and stir to combine.

Step 10 -Evenly add the batter to each of the prepared muffin pan cups.

Step 11 -In a small bowl, add the remaining rolled oats, the brown sugar, and the remaining cinnamon and stir to combine.

Step 12 -With a fork or pastry cutter, add the remaining butter to the rolled oats mixture and cut it in until the mixture resembles coarse crumbs.

Step 13 -Add the remaining walnuts to the rolled oats mixture and stir to combine.

Step 14 -Evenly and generously sprinkle the rolled oats mixture on the top of the batter in each muffin cup.

Step 15 -Bake until golden-brown and a toothpick inserted into the center of the largest muffin comes out clean, about 25-30 minutes.

Step 16 -Serve.