Apple Butter Cupcakes

1 3/4 cup all-purpose flour
1 1/2 tsp baking powder
1 tsp baking soda
1/4 tsp salt
1/2 cup butter or margarine
1 cup sugar
1 egg
1 cup apple butter
1 tsp vanilla
2 tbsp lemon juice
1 5-ounce can (2/3 cup) evaporated milk

Stir together flour, baking powder, baking soda, and salt in a small mixing
bowl; set aside. Beat butter or margarine in a medium mixing bowl with an
electric mixer on medium speed for 30 seconds. Add the 1 cup sugar and beat
until fluffy. Add egg; beat well. Beat in apple butter and vanilla. Stir
lemon juice into evaporated milk (the mixture will crudle). Alternately add
flour mixture and milk mixture to apple butter mixture, beating on low to
medium speed after each addition just till combined. Grease muffin cups or
line with paper bake cups; fill two-thirds full. Sprinkle with sugar. Bake
in a 350 oven for 20-25 minutes or till a toothpick inserted in the center
comes out clean. Cool on wire racks.