Curried Cauliflower-Potato Soup

Name: Curried Cauliflower-Potato Soup
Prep time: 25 min
Cook time: 35 min
Total time: 1 h
Cuisine: Asian, Indian
Ingredients: 1 large head cauliflower, coarsely chopped; 2 medium white onions, halved and thinly sliced; 3 tablespoons olive oil; 1.5 teaspoons ground cumin; 1.5 teaspoons ground coriander; 1 teaspoon salt; 0.5 teaspoon ground black pepper; 2 tablespoons salted butter; 4 cloves garlic, crushed; 1 large potato, with skin, cut into 1-inch pieces; 1 teaspoon ground turmeric; 1 (32 fluid ounce) container vegetable stock; 2 tablespoons sliced almonds