1Heat oven to 375°F. Spray 24 mini muffin cups with cooking spray. In small bowl, stir Bisquick mix and butter until blended. Add boiling water; stir vigorously until soft dough forms. Press rounded teaspoonful of dough in bottom and up side of each muffin cup. Divide crabmeat evenly among muffin cups.
2In another small bowl, beat half-and-half and egg with spoon until blended. Stir in onions, salt and red pepper. Spoon 1 1/2 teaspoons egg mixture into each muffin cup. Sprinkle cheese over tops.
3Bake about 20 minutes or until edges are golden brown and centers are set.