Place almonds and butter in a 9-inch glass pie plate. Microwave on high (maximum power) 4 to 5 1/2 minutes, or until almonds are toasted, stirring twice during cooking. Set aside.
Place chocolate in large microwave proof mixing bowl and microwave on high (maximum power) 2 1/2 to 3 minutes, or until softened. Stir in almonds and pour onto waxed paper lined baking sheet. Spread to desired thickness and refrigerate until set.