Skillet Brown Rice Fusilli with Lamb and Feta

Ingredients

• 1 tablespoon olive oil
• 1 1/2 cups chopped onions
• 1/2 pound ground lamb
• 1 teaspoon minced garlic
• 1/4-1/2 teaspoon crushed red pepper flakes
• 2 tablespoons tomato paste
• 2 cups low-sodium chicken broth
• 1/2 teaspoon salt, plus more to taste
• 1 3/4 cups water
• 3 cups (9 ounces) brown rice fusilli (corkscrew pasta) or penne
• 1 1/2 pounds (4 medium) zucchini, halved lengthwise and cut into 1/2-inch chunks
• 4 ounces crumbled feta
• 3 tablespoons chopped fresh mint