Blueberry Coffee Cake {traditional and gluten free recipes}

INGREDIENTS

1/2 cup

butter (softened)

1 cup

sugar

eggs

1 tbsp

lemon zest (or the zest of (1) large lemon)

2 tbsp

fresh lemon juice

2 tsp

vanilla extract

1 cup

all-purpose flour (see note below for gluten-free alternative)

1/2 tsp

baking powder

1/2 cup

sour cream

6 oz

fresh blueberries (or about 1 cup's worth)

Topping Ingredients:

2/3 cup

all-purpose flour (or 2/3 cup brown rice flour)

1/3 cup

brown sugar

1/4 cup

melted butter