Best Cream Of Broccoli and Potato Soup

Ingredients

• ✓ 2 tablespoons butter
• ✓ 1 onion, chopped
• ✓ 5 cloves garlic, crushed
• ✓ 1 large white potato, cubed
• ✓ 8 cups broccoli florets and stems
• ✓ salt and ground black pepper to taste
• ✓ 3 cups chicken broth
• ✓ 3 tablespoons butter
• ✓ 3 tablespoons all-purpose flour
• ✓ 1 cup milk
• ✓ 1 cup heavy whipping cream