Spicy Chard Soup | Food Stuff

Ingredients

• 1 teaspoon caraway seeds
• 1 teaspoon cumin seeds
• 4 cloves garlic, finely chopped
• 4 hard-boiled eggs, peeled and quartered
• 1 tablespoon harissa or other hot sauce
• Kosher salt
• 1 lemon, halved
• 6 cups low-sodium chicken broth
• 3 tablespoons extra-virgin olive oil, plus more for drizzling
• 1 medium onion, finely chopped
• 2 cups pita chips, coarsely crushed
• 1/4 cup plain Greek yogurt
• 2 bunches Swiss chard (about 2 pounds)
• 2 tablespoons tomato paste