Melt the olive oil in a large skillet over medium heat.

Add oregano, cumin, garlic powder, onion salt, and sea salt; stir to combine.

Add the chopped onion and pressed garlic, ensuring they are evenly coated.

Stir in the sliced zucchinis and green peppers; cook for 5-7 minutes until tender.

Add in the tomatoes and cook until veggies reach desired consistency.