8 ounces mini penne pasta or elbow macaroni
6 to 8 slices bacon
2 tablespoons butter
1 pound chicken breasts or chicken tenders, cut in 1-inch pieces
4 green onions, sliced
2 tablespoons all-purpose flour
1 1/2 cups milk
1/2 cup chicken broth or more milk
1 teaspoon salt, or to taste
1/4 teaspoon ground black pepper
1/2 teaspoon dried leaf thyme
8 ounces cheddar cheese, shredded
4 ounces American cheese, shreds or chopped
1 cup frozen peas, thawed
1 cup bread crumbs
1 tablespoon melted butter