1Heat the olive oil in a large skillet over medium heat.
Add the chopped onion and sauté until it becomes translucent, about 5 minutes.
Add the chopped zucchinis to the skillet and cook for another 5-7 minutes, stirring occasionally.
Add the chopped tomatoes, cumin, and black pepper to the skillet. Stir well to combine.
Continue to cook for another 5-7 minutes, or until the vegetables are tender and cooked through.
Taste and adjust seasoning if necessary.
Serve hot and enjoy your Zucchini and Tomato Stir-Fry.