To start, prepare and preheat the oven to 200°C or 400°F, and on a 13-inch rimmed baking pan, add the bell peppers, broccoli, zucchini, carrots, and the red peeled onions.

Step 2

Then, drizzle the olive oil over the blended vegetables, and sprinkle with Italian seasoning, pepper, salt, and garlic.

Step 3

Stir it all up until well blended. Transfer the mixed vegetables into the preheated oven, then roast for approximately 15 minutes.

Step 4

Take it out of the oven, and add the tomatoes, then stir until well combined. Return it to the oven and roast it for an additional 10 minutes.

Step 5

Finally, take it out of the oven and sprinkle the lemon over the mixed vegetables.

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