Glazed Apple Bake

Cut apple into slices and place single layer in baking dish.
Mix:
1/4 cup melted butter
2 tbsp brown sugar
1 tsp vanilla
1/4 tsp ground cinnamon
Drizzle mix over apples.
Sprinkle a little extra brown sugar over each apple.
Cover baking dish.
Bake at 350 degrees for 30 minutes.
Take out of oven. Leave covered.
Let set 5-10 minutes, then serve.