1 (20 oz.) can pineapple tidbits
1/2 c. butter, melted
1 c. packed brown sugar
1 c. fresh or frozen cranberries
1/2 c. walnut halves
1 pkg. yellow cake mix
3 eggs
1/4 c. vegetable oil

Drain pineapple, reserving juice. Add water to juice to measure 1 1/4 cups; set aside. Pour butter into a greased 13 x 9 x 2 inch baking dish. Sprinkle with brown sugar, cranberries, and walnuts. Top with pineapple.

In a mixing bowl, combine dry cake mix, eggs, oil, and reserved pineapple juice. Beat for 2 minutes on medium speed. Pour into prepared pan.

Bake at 350°F for 25 to 35 minutes. Cool for 10 minutes before inverting onto a large serving platter.