Preheat oven to 325 degrees.
In a large bowl, combine rolled oats, oil, and boiling water. Let stand 10 minutes.
In a large mixing bowl, mix cornmeal, bouillon, milk, Cheddar cheese, and egg.
Add thickened oatmeal mixture.
Mix in flour, 1 cup at a time, until a stiff dough has formed.
Knead dough on a lightly floured surface, mixing in additional flour as necessary until dough is smooth and no longer sticky. Roll or pat out dough to 1/2" thickness. Cut with cookie cutter and place onto greased cookie sheets.
Bake 30-35 minutes until golden brown.