Banana-Chocolate Chip Muffins (King Arthur)

1/2 cup butter

1/2 cup packed brown sugar

3/4 tsp baking soda

1/2 tsp salt

1/2 tsp cinnamon

1/4 tsp nutmeg

1 tsp vanilla

1 1/2 cup mashed ripe banana (about 3 bananas)

1/4 cup honey

2 eggs

2 cups whole wheat flour

2/3 cup chocolate chips

Preheat oven to 350 degrees and line or grease a 12-cup muffin tin.

Beat together the butter, sugar, baking soda, salt, cinnamon, nutmeg and vanilla in a medium bowl until smooth. Add the banana, honey and eggs, beating until smooth. Add the flour and chocolate chips, stiring until smooth. Spoon into the muffin tin and bake for 23-28 minutes. Remove from tin and cool.