Eggs in Purgatory

Bahan-bahan (2 porsi)

• 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)