Rhubarb Oatmeal Bars

Ingredients

• Crust
• 1/2 cup chopped nuts
• 1 1/2 cups rolled oats
• 1 cup brown sugar, packed
• 1/4 teaspoon salt
• 1 1/2 cups flour
• 1 cup shortening
• 1/4 teaspoon vanilla
• Filling
• 3 cups chopped rhubarb
• 1 1/2 cups sugar
• 2 tablespoons cornstarch
• 1/4 cup water
• 1 teaspoon vanilla