Vegetarian Sheet Pan Tacos

User Reviews

5

15 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    20 mins

  • Total Time

    30 mins

  • Servings

    4 servings

  • Calories

    131 kcal

  • Course

    Dinner

  • Cuisine

    Mexican

Vegetarian Sheet Pan Tacos

Vegetarian Sheet Pan Tacos feature roasted poblano peppers alongside seasoned baby bella mushrooms and onions, enhanced with cumin, chili powder, and cayenne. Black beans and corn are added late in cooking to warm through. The mix is baked on a divided sheet pan for an easy assembly of taco fillings that pair with tortillas and optional garnishes.

Description

This recipe roasts poblanos on one side of a baking sheet while spiced mushrooms and onions cook on the other side. The vegetables are seasoned with ground cumin, chili powder, cayenne pepper, and salt, with butter or olive oil added for richness. After initial roasting and flipping the peppers, black beans and corn are stirred into the mushroom mixture to heat through. The poblanos are steamed in a covered container post-roasting to loosen skins for peeling, which aids in texture and flavor.

The end result is a warm, aromatic filling combining smoky peppers, savory mushrooms, sweet corn kernels, and hearty black beans. This filling works well wrapped in warm tortillas and topped with typical garnishes like avocado, lettuce, cheese, salsa, or tomato for customizable vegetarian tacos.

The recipe highlights seasoning adjustments by suggesting a homemade no-salt taco seasoning substitute, allowing control over salt content. The setup with foil and oil on the baking sheet allows for convenient roasting and easier cleanup.

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Ingredients

Servings
  • 3-4 poblano pepper
  • 8 ounces baby bella mushroom diced
  • ½ onion thinly sliced, medium, yellow or red
  • 1 teaspoon cumin ground
  • ½ teaspoon chili powder
  • ⅛ - ¼ teaspoon cayenne pepper
  • 1 teaspoon salt fine sea salt
  • 1 Tablespoon butter or olive oil for vegan, unsalted
  • 1 oz. can black beans drained and rinsed
  • 1 cup corn kernels thawed in water and drained, frozen
  • 8-10 tortillas

Optional Garnishes

  • avocado or guacamole
  • lettuce
  • cheese shredded
  • salsa
  • tomato

Instructions

  1. Preheat oven to 425°F. Lightly oil one half of a large baking sheet and cover the other half with foil, folding up the middle edge to create a division. Place the whole poblano peppers on the oiled side of the pan.
  2. Toss diced mushrooms and sliced onions with cumin, chili powder, cayenne pepper, and salt. Then spread the mixture evenly on the foil side of the baking sheet. Dot the top of the mushroom mixture with cubed butter (or olive oil). Bake for 12 minutes.
  3. After 12 minutes, flip the peppers and toss the mushrooms, continuing to bake for an additional 5-6 minutes.
  4. Remove peppers and place them in a covered container (a bowl with a plate or lid on top will work great!) and let them steam while the rest of the veggies continue cooking in the oven. At this time, toss the black beans and corn in with the mushroom mix, and bake for approximately 4 additional minutes to heat through.
  5. Peel the poblano peppers by gently holding the stem and using the back edge of a knife to scrape the skin off. Once they're peeled, cut off the stems, slice down the middle to remove the seeds, and dice.
  6. Toss the poblano pieces with the mushroom mixture to complete the taco filling. Serve the filling with tortillas and toppings as desired. Enjoy!

Notes

  • Use about 1 tablespoon of homemade no-salt taco seasoning if preferred, and adjust salt accordingly for flavor balance.
  • Peeling the roasted poblanos after steaming improves texture and reduces bitterness in the taco filling.

Nutrition Information

Show Details
Serving 1cup Calories 131kcal (7%) Carbohydrates 16g (5%) Protein 4g (8%) Fat 7g (11%) Saturated Fat 2g (10%) Trans Fat 1g (50%) Cholesterol 8mg (3%) Sodium 593mg (25%) Potassium 455mg (10%) Fiber 3g (12%) Sugar 6g (12%) Vitamin A 624IU (12%) Vitamin C 76mg (84%) Calcium 21mg (2%) Iron 1mg (6%)

Nutrition Facts

Serving: 4servings

Amount Per Serving

Calories 131 kcal

% Daily Value*

Serving 1cup
Calories 131kcal 7%
Carbohydrates 16g 5%
Protein 4g 8%
Fat 7g 11%
Saturated Fat 2g 10%
Trans Fat 1g 50%
Cholesterol 8mg 3%
Sodium 593mg 25%
Potassium 455mg 10%
Fiber 3g 12%
Sugar 6g 12%
Vitamin A 624IU 12%
Vitamin C 76mg 84%
Calcium 21mg 2%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

15 reviews
Excellent

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