Italian Vegetable Stir-Fry

Ingredients

• 1/3 cup extra virgin olive oil
• 2 cups broccoli florets
• 2 cups cauliflower florets
• 1 bunch fresh asparagus, hard ends trimmed and cut into thirds
• 1 medium zucchini, sliced into 2-inch cubes
• 1 large red bell pepper, sliced thin
• 1 small onion, chopped into small quarters
• 3 cloves garlic, chopped
• 1 teaspoon salt
• ½ teaspoon ground black pepper
• ¼ teaspoon crushed red pepper flakes
• ½ cup marinara sauce,
• Or ½ cup tomato sauce