Apple Upside-Down Biscuits

INGREDIENTS

3 tbsp

unsalted butter

3/4 cup

(packed) brown sugar

1 tbsp

unsalted butter

1 1/2

large Gala apples (about 12 oz.), cut in half, cored & thinly sliced

1/2 tsp

ground cinnamon

1/4 tsp

nutmeg

1 tsp

fresh lemon juice

2 cups

all-purpose flour

2 tsp

baking powder

1/4 tsp

baking soda

1 tsp

sugar

1/4 tsp

salt

6 tbsp

unsalted butter, frozen

1 cup

cold buttermilk, plus a few extra teaspoons if necessary