Banana French Toast Muffins



For the topping:
3 Tablespoons milk
1 large egg
½ teaspoon vanilla extract
1 heaping Tablespoon finely mashed banana
6-8 slices bread
⅓ cup peanut butter chips, if desired

For the muffins:
⅔ cup sugar
½ cup vegetable oil
2 large eggs
2 large mashed bananas, reserve one heaping Tablespoon for topping
1 teaspoon vanilla extract
1⅔ cup all purpose unbleached flour
1 teaspoon baking soda
½ tsp salt