Pumpkin Chocolate Chip Muffins
["1 can pumpkin", "1 egg", "1/2 c. oil", "1 c. sugar", "2 tsp. baking powder", "1 tsp. baking soda", "1 tsp. salt", "1 tsp. cinnamon", "1 tsp. vanilla", "1 tsp. milk", "2 c. flour", "1 c. mini chocolate chips", "1/2 c. walnuts (optional)"]
["Mix dry ingredients together.", "Add rest of ingredients.", "Bake at 400\u00b0 for 15 to 20 minutes."]
["pumpkin", "egg", "oil", "sugar", "baking powder", "baking soda", "salt", "cinnamon", "vanilla", "milk", "flour", "chocolate chips", "walnuts"]