1 cup water
1 cup quick-cooking oats
1/4 cup (1/2 stick) butter
1/2 cup cornmeal
1 tbsp. sugar
1 tsp. salt
1/2 cup milk
1/3 cup peanut butter
3 cups whole wheat flour

Boil water in a saucepan. Add oats and butter. Let oats soak for ten minutes. Stir in the cornmeal, sugar, salt, milk, peanut butter, and egg. Mix thoroughly. Add the flour, one cup at a time (you may not need the entire amount) until a stiff dough forms. 

Knead dough on floured surface until smooth, about 3 minutes. Roll to 1/2" thickness. Place on a greased cookie sheet.

Glaze:
1 large egg
2 tbsp. milk

Mix well. Brush glaze on dough with a pastry brush. Bake in a pre-heated 325 degree oven for 35-45 minutes or until golden brown. Cool completely.