Portabella, Avocado and Pepper Jack Sandwich

== Ingredients ==
* 24 (about 2 ounces each) portabella mushroom caps
* olive oil, as needed
* salt, as needed
* coarsely ground black pepper,as needed
* 2¼ cups mayonnaise
* 7 tbsp lemon juice, divided
* 8 California avocados
* 24 round sandwich buns
* 24 one-ounce slices pepper jack cheese
* 24 lettuce leaves
* 24 thin slices tomato
== Directions ==
# Brush each portabella cap with oil; sprinkle well with salt and lightly with pepper.
# Arrange on a sheet pan.
# Mix mayonnaise with 3 tablespoons lemon juice and 1½ teaspoons pepper; reserve.
# Just before service, peel and roughly diced avocados with 4 tablespoons (¼ cup) lemon juice.
=== Per order ===
# Toast bun.
# Meanwhile heat 1 portabella cap on the grill or in a hot frying pan.
# When bun is ready.
# Spread ½ tablespoon seasoned mayonnaise on each cut side.
# Put portabella, stem side up on bottom of bun; fill cap with ⅓ cup diced avocado.
# Top avocado with 1 slice cheese.
# Heat in a hot oven until cheese begins to melt, about 2 minutes.
# Top with 1 lettuce leaf, 1 slice tomato, and top of bun.
Category:Sandwich Recipes
Category:Vegetarian Recipes
Category:Hass avocado Recipes
Category:Jack cheese Recipes
Category:Lettuce Recipes
Category:Mayonnaise Recipes
Category:Portobello mushroom Recipes