Cream butter with brown sugar until light and fluffy. Beat in egg yolk. Beat in vanilla extract, orange peel and almond extract. Stir in flour and 1/2 cup almonds. Spread dough into well greased 9 x 13-inch baking pan. Bake at 350 degrees, 25 minutes, until golden brown.
Remove from oven; sprinkle top evenly with chocolate chips.
Return pan to oven for 30 seconds. Remove from oven and spread melted chocolate evenly over surface. Sprinkle with remaining 1/2 cup almonds. Cool.
Cut into bars to serve.
Calories 216; Fat 14 g; Sat Fat 7.2 g; Mono Fat 5.0 g; Poly Fat 0.9 g; Protein 3 g; Carb 23 g; Fiber 2 g; Cholesterol 28 mg; Sodium 6 mg; Calcium 25 mg; Potassium 115 mg; Vitamin E 1.4 mg*;