Pineapple Muffins
["2 1/2 c. all-purpose flour", "2 tsp. baking powder", "1/4 tsp. salt", "1 c. sugar", "1 egg, beaten", "1 (8 oz.) can crushed pineapple, undrained", "1/2 c. butter, melted", "1/4 c. plus 1 Tbsp. milk", "1 tsp. vanilla"]
["Combine first 4 ingredients in a large bowl; make a well in center of mixture.", "Combine egg and remaining ingredients; add to dry ingredients, stirring just until moistened.", "Spoon batter into paper-lined muffin pans, filling two-thirds full.", "Bake at 400\u00b0 for 20 to 22 minutes.", "Remove from pan immediately."]
["flour", "baking powder", "salt", "sugar", "egg", "pineapple", "butter", "milk", "vanilla"]