Gently wash produce under cool running water, pat dry, and prepare as directed.
Warm the split English muffin through in a toaster oven or microwave.
Spread 1 Tbsp pasta sauce on each muffin half.
Sprinkle 1–2 Tbsp mozzarella cheese on each half.
Sprinkle 1 Tbsp chopped vegetables on each half.
Heat in the oven or toaster oven at 425°F, or in the microwave on high, until the cheese melts.