2 c. oatmeal
1/4 c. flour
1 c. brown sugar
1/4 c. butter

Put 1/2 crumb mixture in 9 x 13 inch pan. Mix together 3 cups rhubarb, 1/2 cup sugar, 1 tablespoon flour and salt. Put on top of mix in pan. Cover with remaining mixture. Bake at 350 degrees for 45 minutes.