Heat oven to 400ºF. Line a 12-cup muffin tin with paper liners.

In a large mixing bowl, sift together the flour, ground oats, baking powder, baking soda, and salt.

In a second mixing bowl, mix the milk, peanut butter, brown sugar, honey, and egg until smooth. Beat in the banana.

Gently mix the wet ingredients into the dry ones until just combined – do not overmix. Stir in the crumbled bacon. Divide the batter between the 12 prepared muffin cups.

Bake for 20-25 minutes, or until a toothpick inserted into the center of a muffin comes out clean.