Blueberry Upside Down Cake - cooking recipe

Ingredients

4 Tbsp. butter, melted plus more for souffle dish
1/3 c. plus 3 Tbsp light brown sugar
1 1/2 c. blueberries, picked over and cleaned
1/4 c. cake flour (not self-rising)
1 tsp. baking powder
1/4 tsp. salt
1 large egg
1/4 c. milk, room temperature

Preparation

Heat oven to 350\u00b0.
Butter a 1 quart, 5 1/2 inch diameter souffle dish.
Pour 2 Tbsp. melted butter into the souffle dish. Sprinkle 3 Tbsp. brown sugar over butter.
Scatter 1 c. blueberries over sugar.
Set aside.