Split chili peppers lengthwise, remove seeds; pat dry. In heavy skillet, saute ground beef with onion and garlic; drain. Stir in 1 teaspoon cumin, 2 tablespoons taco mix and salt. Arrange half the chili peppers, single layer, in greased 9x13-inch glass baking dish; top with beef mixture and another layer of chili peppers. Sprinkle cheeses over chili peppers. In small bowl, combine eggs, milk and flour; pour over cheeses. Stir in 2 teaspoons cumin and remaining taco mix into tomato sauce, spread evenly over milk layer. Bake in a preheated 325 F oven until bubbly (about 50 minutes). Accompany with sour cream, raisins and almonds.