Whisk flour and sugar together in a bowl. Cut butter into flour mixture using a pastry blender until crumbly; press into a 9x13-inch baking dish.
Bake in the preheated oven until crust is lightly browned, about 15 minutes.
Mix sweetened condensed milk, egg, and almond extract together in a large bowl. Fold chocolate, toffee-flavored baking bits, and almonds into sweetened condensed milk mixture; spread over the warm crust.
Bake until cookie bars are golden brown, about 25 minutes. Cool completely before cutting into bars. Store in a covered container in the refrigerator.