For the Crust
2 1/2 cups Original Bisquick™ mix
6 tablespoons cold butter
1/4 cup boiling water

For the Filling
1 1/2 cups chopped cooked ham
1 1/2 cups frozen diced hash brown potatoes, thawed
1 3/4 cups shredded sharp Cheddar cheese (6 oz)
3 medium green onions, thinly sliced (about 3 tablespoons)
5 large eggs
3/4 cup half-and-half
1/4 teaspoon freshly ground pepper
6 slices bacon, crisply cooked, crumbled

For the Garnish
Sour cream, if desired
Additional sliced green onions, if desired