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 Betsy's Awesome Vegetarian Sandwich?

You need 11 ingredients. The key ingredients include: 1 ½ tablespoons butter, 12 green pepper, chopped, 12 small onion, chopped (purple or yellow onion ok), 3 -4 ounces mushrooms, sliced (1/3 of a 10 oz bag of pre-sliced), and more.

Is Betsy's Awesome Vegetarian Sandwich suitable as general?

Yes, Betsy's Awesome Vegetarian Sandwich falls under the General category and is a great choice for this type of meal.

How do I store leftover Betsy's Awesome Vegetarian Sandwich?

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

Betsy's Awesome Vegetarian Sandwich Recipe

Name: Betsy's Awesome Vegetarian Sandwich
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 ½ tablespoons butter; 12 green pepper, chopped; 12 small onion, chopped (purple or yellow onion ok); 3 -4 ounces mushrooms, sliced (1/3 of a 10 oz bag of pre-sliced); 4 ounces black olives, sliced (4 - 5 oz CAN); 2 slices swiss cheese (pre-sliced, deli-style); 1 slice provolone cheese (pre-sliced, deli-style); 2 sandwich buns (hoagies, steak rolls, any sliced sandwich roll); mayonnaise; lettuce (optional); tomatoes (optional)

or use light mayo if you also prefer.""

This Betsy's Awesome Vegetarian Sandwich relies on simple, everyday ingredients such as butter, green pepper, chopped, mayonnaise and lettuce (optional). It comes together quickly and makes 4 servings, at about 310 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 General

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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

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

My Personal Notes

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Betsy's Awesome Vegetarian Sandwich

Tips for the best results

Variations & substitutions

My Personal Notes

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