Curried Cauliflower-Potato Soup

Ingredients (13)

• + 1 large head cauliflower, coarsely chopped add to pantry
• + 2 medium white onions, halved and thinly sliced add to pantry
• ✓ 3 tablespoons olive oil
• + 1 ½ teaspoons ground cumin add to pantry
• + 1 ½ teaspoons ground coriander add to pantry
• + 1 teaspoon salt add to pantry
• + ½ teaspoon ground black pepper add to pantry
• + 2 tablespoons salted butter add to pantry
• + 4 cloves garlic, crushed add to pantry
• + 1 large potato, with skin, cut into 1-inch pieces add to pantry
• + 1 teaspoon ground turmeric add to pantry
• + 1 (32 fluid ounce) container vegetable stock add to pantry
• ✓ 2 tablespoons sliced almonds