Cauliflower Cheese Soup

Ingredients (13)

• + 1 head cauliflower add to pantry
• + 1 tablespoon olive oil, or more as needed add to pantry
• + 4 medium (blank)s carrots, diced add to pantry
• + 4 stalks celery, diced add to pantry
• ✓ 1 small yellow onion, diced
• ✓ 2 cloves garlic, finely diced
• + 4 cups chicken broth add to pantry
• ✓ ¼ cup butter
• + ¼ cup all-purpose flour add to pantry
• + ½ teaspoon salt, or to taste add to pantry
• + 1 pinch ground black pepper to taste add to pantry
• + 3 cups milk, at room temperature add to pantry
• + 12 ounces freshly shredded sharp Cheddar cheese, or more to taste add to pantry