Cinnamon Apple Crunch

1 can (1 pound  5 ounce) apple pie filling
1 teaspoon lemon juice
1 package Duncan Hines Apple Cinnamon cake mix
1/2 cup chopped nuts (optional)
1/2 cup melted butter

Preheat oven to 350 degrees. Spread pie filling in the bottom of a 9 inch square pan. Sprinkle with lemon juice. Combine dry cake mix with nuts and melted butter (mixture will be crumbly). Sprinkle over pie filling. Bake at 350 degrees for 40-50 minutes or until golden brown. Serve with ice cream, whipped cream or serve with warm coffee cream.

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