Preheat oven to 350F. Combine flour, sugar, oats and pecans. Stir in butter, Spread into a 15 x 10 inch jelly roll pan. Bake for 17 minutes or until brown. Remove to wire rack to cool. Crumble Place half of crumbled mixture into a 13 x 9 inch baking pan. Drizzle with warm caramel topping.
Spread ice cream on top. Sprinkle remaining crumbled mixture, pressing gently. Freeze until firm.
Cajun Country -- New Iberia, Louisiana