To make the buffalo sauce combine the melted butter, hot sauce, seasoned salt and pepper in a small bowl. Whisk to combine. This can be stored in the fridge until ready to use.
Preheat the grill to medium high heat or heat your oven to to 400 degrees F.
Toss the mushrooms with 1 tablespoon of olive oil and a sprinkle of salt and pepper. Place the mushrooms stem side up directly on the grill and grill for 8-10 minutes or bake for 8-10 minutes. Remove from the grill and dump any liquid that is in the caps.
While the mushrooms grill or bake, mash the avocados in a medium size bowl (I left mine pretty chunky, but go as chunky or smooth as you want). Add the tomatoes, green onions, cilantro, jalapeño, lime juice, cumin, salt and pepper. Stir to combine and and fold in the blue cheese.
When the mushrooms are ready stuff each mushroom with the blue cheese guacamole. If your mushrooms are small you may have some of the guacamole leftover, just serve it along side the mushrooms with chips, save for snacking or make [this grilled cheese | https://www.halfbakedharvest.com/blue-cheese-smashed-avocado-and-roasted-tomato-grilled-cheese/]. Serve with a drizzle of buffalo sauce if desired.