Cod and Vegetable Stew

Ingredients

• 2 tablespoons olive oil
• 2 medium onion, coarsely chopped
• 3 garlic cloves, sliced
• 1 large red bell pepper, cored, seeded, and cut into matchsticks
• 1 pound sweet potatoes, peeled and cut into 1/2-inch chunks
• 3/4 teaspoon salt
• 1/2 teaspoon dried thyme
• 1 1/2 cups frozen peas
• 1 cup frozen whole-kernel corn
• 1 1/2 pounds skinless, boneless cod fillets, cut into bite-size pieces