Slow-Cooked Broccoli with Garlic and Pancetta

Bahan-bahan (4 porsi)

• ¼ cup extra virgin olive oil
• 3 ounces pancetta, (sliced ¼-inch-thick and cut crosswise into ¼-inch-wide pieces (about ½ cup))
• 1½ pounds (about 1 bunch) broccoli, (cut into smaller florets)
• 8 medium garlic cloves, (thinly sliced)
• ¾ teaspoon kosher salt ((more to taste))
• ¼ teaspoon dried red chile flakes