Ingredients

• 1 tablespoon butter
  
• 1 tablespoon olive oil
  
• 2 medium sweet potatoes, peeled and cut in 3/4-inch cubes (3 cups)
  
• 1 cup finely chopped onion
  
• 6 cloves garlic, minced
  
• 1 28 - ounce can crushed fire-roasted tomatoes
  
• 1 16 - ounce jar salsa
  
• 4 ears fresh sweet corn, kernels cut from the cob (2 cups)
  
• 1 tablespoon snipped fresh dill or 1 teaspoon dried dillweed
  
• 1 teaspoon salt
  
• 1 1/2 cups whole milk
  
• 2 pounds boneless, skinless walleye fillets or white fish fillets, cut in 1-inch pieces or 1 1/2 pounds peeled, deveined shrimp
  
• 1 cup whipping cream
  
• 1/4 cup chopped fresh cilantro
  
• 6 small sourdough bread rounds
  
• 4 ounces cheddar cheese, finely shredded (1 cup)
  
• 1/3 cup sour cream
  
• Fresh cilantro sprigs