Creamy Cauliflower Cheddar Soup

Name: Creamy Cauliflower Cheddar Soup
Prep time: 15 min
Cook time: 45 h
Total time: 45 h 15 min
Cuisine: European, American
Ingredients: 1 Tbsp unsalted butter; 1 Tbsp olive oil; 2 large leeks, trimmed, cleaned, and thinly sliced; 5 cloves garlic, roughly chopped; 1 medium Yukon gold potato, peeled and roughly chopped; 1 large head of cauliflower, core and florets cut into medium pieces; Kosher salt and pepper, to taste; 5 cups chicken broth (or veggie!); 2 bay leaves; 6 oz sharp white cheddar, freshly grated, plus extra for serving; 1/2 cup heavy cream; Extra virgin olive oil, for serving; Fresh dill, for serving; 3 slices sourdough bread, cubed; Olive oil to coat; caraway seeds; smoked paprika; Kosher salt and pepper