In a medium sauce pan, heat olive oil over medium heat and place red onions. Once they begin turning golden brown add garlic. Simultaneously, in a pot with vegetable steamer, steam broccoli, red peppers, green peppers and carrots. Steam for 5 - 7 minutes. Add to pan with onion/garlic mixture and toss.
A vegetable medley that is soooo good! Preheat oven to 350 degrees F (175 degrees C). Coat the bottom of a 9x13 inch baking dish with oil. Spread sweet potatoes on the bottom, then top with red potatoes, onion, garlic, green bell peppers, red bell peppers and carrots. Sprinkle seasoning generously over all and cover dish with aluminum foil.
Place the cauliflower, carrots and onion in steamer basket. Cover and steam over boiling water for 10 minutes. Add mushroom and steam 5 minutes more or until vegetables are just tender. Meanwhile, melt margarine. Add lemon juice, basil and marjoram. To serve, place vegetables in serving bowl. Pour lemon mixture over vegetables and toss to coat.