Southern Living on Instagram: "Come for the dip, and stay for the bread. 😉 Ingredients: -1 (12-oz.) French bread loaf -1 cup sour cream -1 (8-oz.) pkg. cream cheese, softened -1/2 cup mayonnaise -2 oz. Monterey Jack cheese, shredded (about 1/2 cup) -2 medium (1/2 oz. each) scallions, finely chopped (about 1/4 cup), plus more for garnish -2 tsp. hot sauce -2 tsp. Worcestershire sauce -1 tsp. garlic powder -1 tsp. onion powder -1/2 tsp. crushed red pepper -6 oz. sharp Cheddar cheese, shredded (ab