Gluten-Free Banana Muffins

INGREDIENTS

1 3/4 cups

gluten-free flour blend (, from notes listed below)

2 tsp

baking powder

1/4 tsp

baking soda

1/2 tsp

xanthan gum

1/2 tsp

salt

1/2 tsp

cinnamon

1/2 cup

unsalted butter (, softened)

1/2 cup

packed light-brown sugar

1/4 cup

+ 2 Tbsp granulated sugar

large eggs

1 1/2 cups

mashed overripe bananas ((from about 3))