Red Lentil Squash Soup With Lemon

Name: Red Lentil Squash Soup With Lemon
Ingredients: 2 tablespoons olive oil, plus more for serving; 1 large yellow onion, chopped; 4 cloves garlic, finely chopped; 2 teaspoons finely chopped ginger (from a 1-in. piece); 2 teaspoons harissa; 1 teaspoon ground coriander; 1 teaspoon ground cumin; 1 teaspoon ground turmeric; 1 teaspoon kosher salt; ¼ teaspoon freshly ground black pepper; 2 quarts vegetable broth; 2 cups cubed butternut squash; 1 ½ cups dried red lentils; 3 medium carrots, chopped; 2 tablespoons fresh lemon juice (from 1 lemon); Chopped roasted almonds and chopped parsley, for serving; Toasted pita and plain yogurt, for serving