Banana Nut Muffins
["2 c. flour (all-purpose)", "1 Tbsp. baking powder", "1 c. milk", "1 c. water", "3/4 c. mashed banana", "1/4 c. sugar", "1/2 tsp. salt", "1 egg, beaten", "1/3 c. cooking oil", "1/2 c. nuts, chopped fine (optional)"]
["Preheat oven to 400\u00b0. Sift flour, sugar, baking powder and salt in a bowl. Mix well, then add milk, egg, water, oil, banana and nuts if wanted. Stir mixture until batter is moistened. Bake for 15 minutes."]
["flour", "baking powder", "milk", "water", "mashed banana", "sugar", "salt", "egg", "cooking oil", "nuts"]