https://www.foodkingcostplus.com/Recipes/Detail/2536/Lemon_Crumb_Bars
Yield: Makes 24-36 bars
Preparation Time: 10 minutes; Baking Time: 15 minutes
1. Preheat oven to 350 F. With mixer, beat cake mix, butter and 1 egg in large bowl until crumbly. Stir in saltine crumbs. Set aside 2 cups crumb mixture. Press remaining crumb mixture on bottom of greased 13x9-inch baking pan. Bake 15 to 20 minutes or until lightly golden.
2. With mixer or wire whisk, beat 3 egg yolks with Eagle Brand and ReaLemon. Spread over prepared crust. Top with reserved crumb mixture. Bake 25 minutes longer or until set and top is golden. Cool. Refrigerate within 2 hours. Cut into bars. Store leftovers covered in refrigerator.
Source: Borden
Please note that some ingredients and brands may not be available in every store.
https://www.foodkingcostplus.com/Recipes/Detail/2536/Lemon_Crumb_Bars