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 Corn, Avocado, and Black-Bean Tostadas?

You need 15 ingredients. The key ingredients include: Olive oil spray, 2 c. fresh or thawed frozen corn kernels, 1 large zucchini, 1 1/2 c. quartered grape tomatoes, and more.

Is Corn, Avocado, and Black-Bean Tostadas suitable as vegetarian?

Yes, Corn, Avocado, and Black-Bean Tostadas falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Corn, Avocado, and Black-Bean Tostadas?

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

Corn, Avocado, and Black-Bean Tostadas Recipe

Name: Corn, Avocado, and Black-Bean Tostadas
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Olive oil spray; 2 c. fresh or thawed frozen corn kernels; 1 large zucchini; 1 1/2 c. quartered grape tomatoes; 13 c. Chopped red onion; 1/4 c. chopped fresh cilantro; 1 chipotle chile in adobo sauce; 2 tsp. adobo sauce; 2 tbsp. fresh lime juice; 1/2 tsp. kosher salt; 8 crisp tostada shells; 16 tbsp. refried black beans; Shredded lettuce; Sliced Hass avocado; crumbled queso fresco

Try this homemade Corn, Avocado, and Black-Bean Tostadas recipe the whole family will love. Made with Olive oil spray, corn kernels, zucchini and quarte…

This Corn, Avocado, and Black-Bean Tostadas relies on simple, everyday ingredients such as olive oil spray, large zucchini, quartered grape tomatoes and chopped red onion. It comes together quickly and makes 4 servings, at about 521 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

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

Saved locally in your browser — visible only to you.

Corn, Avocado, and Black-Bean Tostadas

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions