Fresh Apple Cake

Ingredients

• 1/4 c. margarine, melted
• 1 c. granulated sugar
• 1 egg, beaten
• 1 c. flour
• 1/2 tsp. baking powder
• 1/2 tsp. baking soda
• 1/2 tsp. cinnamon
• 1/4 tsp. salt
• 2 c. unpeeled apples, chopped
• 1/2 c. walnut pieces
• 1 tsp. vanilla