If you like veggie burgers or mushroom burgers, try this vegetarian burger recipe with portobella mushrooms and topped with an avocado sauce. Portabella mushrooms make for a healthy veggie burger recipe for a vegetarian barbecue or cookout.

Ingredients:
•4 medium portabella mushrooms, stems removed
•1 medium onion, cut into 1/2 inch slices
•3 tbsp olive oil
•3/4 tsp salt, divided
•1/2 teaspoon ground black pepper, divided
•1 avocado, sliced
•2 tbsp low-fat yogurt
•1/2 tsp minced garlic
•4 hamburger buns, lightly toasted
•4 roasted red peppers, from a jar

Preparation:
Brush mushrooms and onion slices with oil; sprinkle with 1/2 teaspoon of the salt and 1/4 teaspoon of the pepper. Heat large skillet or grill pan over medium heat until hot. Add mushrooms; cook until tender, 8 to 10 minutes, turning once. Transfer mushrooms to plate, cavity side up; cover to keep warm.

In same skillet, cook onion slices until golden, about 8 minutes, turning occasionally.

Meanwhile, combine in small bowl, 1/2 of the avocado, yogurt, garlic and remaining 1/4 teaspoon each salt and pepper; mash until smooth.

Spoon onions and roasted peppers into mushroom cavities, divided equally. Spread smooth Avocado mixture on bottom of each bun; top each with stuffed mushrooms.

Top with remaining sliced avocado. Cover with tops of buns.

Makes 4 vegetarian portabella mushroom burgers.

Nutritional information:
Each portabella burger provides:
338 calories, 10 grams protein, 19 grams fat, 36 grams carbohydrate