Apple Bars with Caramel Frosting - Julie's Eats & Treats

Name: Apple Bars with Caramel Frosting - Julie's Eats & Treats
Ingredients: 5 c. apples, peeled & sliced; 1 c. sugar; 3 c. flour; 1 tsp salt; 1 c. butter; 1 Tbsp sugar; 1 egg; 3/4 c. Rice Krispies, crushed