Apple Crumb Cake (Cuca de Maçã)

INGREDIENTS

Egg, large

1/4 cup

Caramel sauce or homemade dulce de leche sauce, store-bought

2 tsp

Baking powder

1/2 tsp

Cinnamon, ground

2 1/4 cups

Flour

1 dash

Salt

1 tbsp

Shortening

2 tbsp

Sugar

1 1/3 tbsp

Vanilla, pure

3/4 cup

White sugar

4 1/2 tbsp

Butter, unsalted

1 cup

Heavy cream

1/2 tbsp

Heavy whipping cream

About 3 medium baking tart apples (e.g. Granny Smith, peeled, cored, and cut into 1/8 slices)