Best Hot Crab Dip

Name: Best Hot Crab Dip
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: American
Ingredients: 2 cups crabmeat; 1 cup sour cream; 1 (8 ounce) package cream cheese, softened; 1 cup buttermilk; 1 cup mayonnaise; 1 cup shredded Monterey Jack cheese; 1 cup white Cheddar cheese; 0.5 cup capers, drained; 2 (8 ounce) cans artichoke hearts, drained and chopped; 2 tablespoons minced garlic; 0.5 teaspoon ground black pepper, or to taste; 0.5 teaspoon dried dill, or to taste; 0.25 cup grated Parmesan cheese; 0.5 teaspoon Old Bay Seasoning TM, or to taste; 1 (8 ounce) round loaf sourdough bread