Cheesy Potato Casserole Bread

1 envelope active dry yeast
1 cup warm milk
1/2 cup vegetable shortening, at room temperature
1 large egg
1 teaspoon salt
1/2 teaspoon black pepper
3 cups all-purpose flour
1 cup mashed potatoes, at room temperature
1/2 cup shredded extra-sharp cheddar cheese
1/2 cup freshly grated Parmesan cheese

1. Grease a deep round or oval 2-quart casserole and set aside.

2. In a large mixing bowl, sprinkle the yeast over the milk and let dissolve. Add the shortening, egg, salt, pepper, and 1 cup of the flour, the potatoes, and cheddar till well blended, scrape the dough into the prepared casserole, cover with plastic wrap, and let rise in a warm are till doubled in bulk, about 40 minutes.

3. Preheat the oven to 375 degrees.

4. Sprinkle the Parmesan evenly over the top of the dough and bake till golden brown, abut 45 minutes. Transfer the bread to a wire rack to cool, then cut into slices.

Makes 1 loaf; 6 servings