Fajita Stir-fry

Ingredients

• 6 oz. lean beef, thinly sliced
• 1/2 t. chili powder
• 2 T. mild olive oil
• 1 zucchini, sliced
• 2 mushrooms, cut into 1/8 wedges
• 1/2 yellow onion, chopped
• 1/2 red bell pepper, chopped
• 2 green onions, chopped