Shakshuka With Feta and Olives

Name: Shakshuka With Feta and Olives
Ingredients: * 3tablespoons extra-virgin olive oil, plus more for serving; * 1 large red or yellow onion, sliced; * Kosher salt; * 12ounces jarred roasted red peppers, drained and sliced (about 1 heaping cup); * 1 can (28 oz) whole tomatoes; * 1/2 cup pitted olives, preferably kalamata; * 5cloves garlic, chopped; * 1/2teaspoon ground cumin; * 1/2 teaspoon ground turmeric; * 1/2 teaspoon smoked paprika; * 1/2 teaspoon red pepper flakes; * 1tablespoon schug or harissa (see note below), plus more to taste; * Freshly ground black pepper; * 4 large eggs; * Fresh herbs, such as parsley, mint or dill, for topping; * Feta, for topping; * Pita bread, for serving