Heat oven to 400º.

Stir together flour, 2 tablespoons sugar, the salt and baking powder. Work in margarine until mixture is crumbly.

Pat mixture firmly and evenly in bottom and halfway up sides of ungreased square pan, 8 × 8 × 2 inches. Arrange peaches in pan. Mix 1/3 cup sugar and the cinnamon; sprinkle over peaches. Bake 15 minutes.

Blend egg yolks and whipping cream; pour over peaches. Bake 25 to 30 minutes or until custard is set and edges are light brown. Serve warm. Refrigerate any remaining dessert. ____________________ Please note, if you should change this recipe it will no longer be an approved Betty Crocker® Recipe. You may notice that the nutritional information calculated by MasterCook is different from the nutritional information listed in the Betty Crocker® cookbooks. Because MasterCook and Betty Crocker® use different nutritional analysis programs and different nutrient databases, variations in results are expected.