1/2 cup margarine, at room temperature
1/4 cup confectioners' sugar
1 1/2 cups uncooked oat bran
1/2 cup all-purpose flour
1/4 tsp salt
Heat oven to 350 degrees. Line an 8 or 9-inch square baking pan with foil. Spray foil with no-stick cooking spray. TO MAKE CRUST: Mix margarine and sugar in a medium-size mixing bowl until blended and smooth. Add oat bran, flour and salt; stir just until blended. (Mixture will be moist and slightly crumbly.) Turn into prepared pan and press firmly and evenly over bottom. Bake 20 to 25 minutes just until edges start to brown.
Whites from 3 large eggs
1/3 cup unsweetened cocoa powder
1/4 cup all-purpose flour
1 cup packed brown sugar
2 tablespoons vegetable oil
1 teaspoon vanilla extract
1/8 tsp salt
While crust bakes, put all topping ingredients into a medium-size bowl and whisk until smooth. Pour over the partially baked crust. Bake 20 tl 25 minutes longer until top looks dry and slightly puffed. Cool completely in the pan on rack. Lift foil by ends onto a cutting board. Peel off foil. Cut into 16 squares, dipping knife into hot water before making each cut.
Note: These keep well up to 1 week in tightly covered container in cool place with waxed paper between layers. Dust with confectioners' sugar just before serving.
Per cookie: 188 calories, 4 g protein, 26 g carbs