How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Grilled Vegetable Sandwich?

You need 10 ingredients. The key ingredients include: 6-1/4 cups red onions, sliced, 6-1/4 cups zucchini, sliced, 1-1/2 qt. Canned sweet roasted red peppers, drained, 3 cups olive oil, and more.

Is Grilled Vegetable Sandwich suitable as vegetarian?

Yes, Grilled Vegetable Sandwich falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Grilled Vegetable Sandwich?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Grilled Vegetable Sandwich Recipe

Name: Grilled Vegetable Sandwich
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 6-1/4 cups red onions, sliced; 6-1/4 cups zucchini, sliced; 1-1/2 qt. Canned sweet roasted red peppers, drained; 3 cups olive oil; 5-1/2 tsp. salt; 5-1/2 tsp. black pepper; 50 slices sourdough bread slices; 1-1/2 cups KRAFT MAYO Real Mayonnaise; 50 slices KRAFT Pasteurized Process Swiss Cheese Slice; 25 slices tomatoes, sliced

Try this homemade Grilled Vegetable Sandwich recipe the whole family will love. Made with red onions, zucchini, red peppers and olive oil. Easy step-by-…

This Grilled Vegetable Sandwich relies on simple, everyday ingredients such as red onions, sliced, zucchini, sliced, olive oil and salt. It comes together quickly and makes 4 servings, at about 3434 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

3434

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Grilled Vegetable Sandwich

Tips for the best results

Variations & substitutions

My Personal Notes

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