Preheat oven to 350 degrees. Place 30 2-inch foil cupcake liners in small muffin pans or on a cookie sheet. Combine brownie mix, fudge packet from mix, eggs, water and oil in large bowl. Stir with spoon until well blended, about 50 strokes. Place 2 level tablespoons of batter in each foil cupcake liner. Bake at 350 degrees for 10 minutes. Remove from oven. Push 1 peanut butter cup candy in center of each cupcake until even with surface of brownie. Bake 5-7 minutes longer. Cool completely.