Veggie Sliders

4.9(918 reviews)

Small vegetarian patties on slider buns — perfect for parties or family meals where everyone wants their own. Built on a base of black beans and roasted vegetables for genuine flavor, not the watery disappointment of frozen veggie patties.

Prep Time

10 min

🔥

Cook Time

24 min

🍽

Servings

2

Calories

360 cal

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Veggie Sliders — homemade International vegetarian recipe with bun, veg patty, cheese, 2 servings, ready in 34 minutes
Vegetarian
Easy

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Smart Servings Scaler

servings
  • Bun½
  • Veg Patty½
  • Cheese½ cup
  • Lettuce1 cups
  • Tomato1 medium
  • Onion½ medium
  • Mayonnaise1 ½ tbsp
  • Salt½ tsp
  • Black Pepper¼ tsp

All quantities scaled automatically from 2 servings.

Ingredients

Makes 2 servings · Use the Servings Scaler above to adjust

  • Bun0.5
  • Veg Patty0.5
  • Cheese0.5 cup
  • Lettuce1 cups
  • Tomato1 medium
  • Onion0.5 medium
  • Mayonnaise1.5 tbsp
  • Salt0.5 tsp
  • Black Pepper0.25 tsp

Instructions

  1. 1

    Roast 1 cup of chopped mushrooms and ½ cup of finely chopped onion at 400°F for 15 minutes until shrunken and lightly browned. Cool completely. This step concentrates flavor and removes the water that would otherwise make patties fall apart.

  2. 2

    Drain and rinse a 15 oz can of black beans. Pat very dry with paper towels. Mash about ¾ of them with a fork, leaving the rest whole for texture.

  3. 3

    Combine in a bowl: mashed beans, roasted mushroom-onion mixture, ½ cup panko breadcrumbs, ½ cup grated sharp cheddar, 1 beaten egg, 2 cloves minced garlic, 1.5 teaspoons cumin, 1 teaspoon smoked paprika, 1 teaspoon salt, ½ teaspoon black pepper, 1 tablespoon soy sauce.

  4. 4

    Mix with your hands until uniform. The mixture should hold together when squeezed — if too wet, add another tablespoon of panko; if too dry, splash in water.

  5. 5

    Form into 8 small patties (about 2.5 inches across, ½ inch thick). Refrigerate 30 minutes — this firms them up so they don't fall apart when cooked.

  6. 6

    Heat 2 tablespoons of oil in a non-stick skillet over medium-high. Cook the patties 4 minutes per side until deeply golden brown. Serve on toasted slider buns with mayo, lettuce, pickles, and a thin slice of red onion.

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💡 Expert Tips

  • 1.Roast the vegetables first. Raw mushrooms and onions release water during cooking and make patties soggy. Roasting removes 60-70% of that water and concentrates flavor.
  • 2.Pat the beans very dry. Wet beans = wet patties = patties that fall apart. Paper towel press for at least a minute.
  • 3.Chill before cooking. The 30-minute fridge stop is what makes the patties stay together. Skipping is the #1 cause of veggie burger crumbling.
  • 4.Use sharp cheddar, not mild. Mild cheese disappears into the patty. Sharp cheddar gives noticeable cheese flavor in every bite.

🔬 Why It Works

Veggie sliders are essentially miniature veggie burgers, with the same engineering challenges (must hold together, must taste like something). Roasted mushrooms provide the umami depth that mimics meat without trying to imitate it. Black beans give substance and natural binding from their starch. Cheddar adds salt and richness. Egg + panko bind everything together, with the egg setting when cooked. The chilling step is what transforms a sticky mush into shapeable patties.

Frequently Asked Questions

Can I make these vegan?
Replace the egg with 1 flax egg (1 tablespoon ground flax + 3 tablespoons water, sat 10 minutes). Use vegan cheese or skip and add 2 tablespoons of nutritional yeast for cheesy depth.
Can I freeze these?
Yes — freeze raw patties on a tray, then bag. Cook from frozen, add 2 minutes per side. Excellent for batch cooking.
Best slider buns?
Hawaiian rolls (sweet, soft), brioche slider buns, or potato rolls. All hold up to the patty without overwhelming it. Avoid crusty mini-rolls — too much crunch.
Are these grill-friendly?
Carefully — veggie patties are more fragile than beef. Use a well-oiled grill or grill basket. Cook 5 minutes per side on indirect heat.

Nutrition Facts

Per serving (recipe makes 2 servings)

Calories360kcal
Protein29g
Carbohydrates49g
Fat18g
Fiber10g
Sugar18g

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

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