1⁄2 cup milk...... 1 egg, lightly beaten 2 cups grated cheese, a sharp cheddar is best 2 medium onions, finely chopped 3 slices bacon, FINELY chopped (uncooked) 1 cup self-raising flour + 3 T (this keeps them puffy) 1 teaspoon grainy mustard (or French mustard)

Preheat oven to 350°F. Combine egg and milk, and stir into remaining ingredients. Drop by rounded teaspoon onto a lightly greased cookie sheet. Bake until golden (about 20 minutes). Cool on wire racks.