Eggs in Purgatory

Name: Eggs in Purgatory
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: American, Italian
Ingredients: 2 teaspoons extra-virgin olive oil; 1 small red onion (diced (about 1 cup)); 3 cloves garlic (minced (about 1 tablespoon)); 1 can reduced-sodium chickpeas ((15 ounces), rinsed and drained); 1 jar good-quality tomato pasta sauce ((24 ounces)); 1 teaspoon dried oregano; 1 teaspoon kosher salt; 1/4 teaspoon red pepper flakes; 5 ounces baby spinach; 4 large eggs; 1/2 cup Parmesan cheese (freshly grated ); fresh basil (chopped); Baguette slices (for serving)