Cream of Peruvian Avocado and Shrimp Soup - Avocados From Peru

Ingredients

• 4 tablespoons unsalted butter
• 1 medium white onion, peeled and finely chopped
• 2 cloves garlic, finely chopped
• 1 tablespoon all-purpose flour
• 4 cups chicken broth
• 4 1/2 ripe Peruvian avocados, pitted and peeled, divided
• 1 1/4 cups shrimp, cooked, peeled, and deveined, divided
• 2 cups heavy cream
• Salt and pepper