Acqua Pazza Broth

• 1 tablespoon extra-virgin olive oil
• 1½ onions, sliced into half-moons
• 1 head

In a wide shallow pan (such as a rondeau), heat 1 tablespoon of the olive oil over medium heat.

Add the onions and sweat for 6 minutes, then add the garlic and cook until fragrant and toasted, about 2 minutes. Add the chopped fresh tomatoes, red pepper flakes, and salt to taste, then cook on medium heat until the tomatoes release their liquid, about 5 minutes.

Add the San Marzan