Scrumptious Apple Pie

INGREDIENTS

• 1 whole Pie Crust
• 6 cups (to 7 Cups) Peeled And Sliced Granny Smith Apples
• 1/2 whole (juice Of) Lemon
• 1/2 cup Sugar
• 4 Tablespoons Flour
• 1/4 teaspoon Salt
• 1/2 cup Flour
• 1-1/2 stick Butter
• 1 cup Brown Sugar
• 1/2 cup Quick Oats
• 1/2 cup Pecans, Chopped
• 1/2 jar (or More) Caramel Topping