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Keto Appetizers

Blue Cheese Stuffed Mushrooms with Grilled

Whenever I host a barbecue, these blue cheese stuffed mushrooms are my go-to keto appetizer. The earthy mushrooms soak up the grill's smokiness, while the blue cheese turns wonderfully creamy. Topped with sweet, charred onions, each bite is a perfect balance of savory and rich. They’re quick to assemble and cook in minutes, making them a stress-free option for any gathering.

15 min Prep time 25 min Cook time 40 min Total time 6 Servings 255 Calories
Blue Cheese Stuffed Mushrooms with Grilled

Ingredients

  • pound fresh mushrooms, stems removed
  • ounces blue cheese, crumbled
  • medium onions, sliced into rings
  • /4 cup olive oil

Instructions

  1. Step 1

    Start by preheating your grill to high heat and lightly oiling the grates. While the grill heats, I prepare the mushrooms by gently wiping them clean and removing the stems. Then, I crumble the blue cheese into a small bowl. Take each mushroom cap and generously fill it with the crumbled cheese, pressing lightly so it stays in place. Slice the onions into thick rings and toss them with a drizzle of olive oil to prevent sticking. Place the onion slices directly on the hot grill, and arrange the stuffed mushrooms cheese-side up alongside them. Cook the onions, turning them occasionally, until they become tender and have nice grill marks. Resist the urge to flip the mushrooms—keeping them cheese-side up ensures the cheese melts into the cap without making a mess. Grill until the mushrooms are juicy and the blue cheese is fully melted and bubbly, usually around 15-20 minutes. Carefully transfer the mushrooms to a serving platter and top each with a pile of those sweet grilled onions. Serve them warm while the cheese is still gooey.

Chef's Tip

I always choose firm, medium-sized mushroom caps so they hold up well on the grill. For an extra smoky flavor, try using a mix of blue cheese and smoked gouda—it adds a whole new dimension.

Storage Tips

Store leftover stuffed mushrooms in an airtight container in the fridge for up to 3 days. Reheat them gently in a preheated oven or air fryer at 350°F until warmed through to maintain their texture. Avoid microwaving as it can make the mushrooms rubbery.

Variation Tips

For a milder flavor, substitute goat cheese or cream cheese for the blue cheese—I've tried both and they work beautifully. Serve alongside a crisp celery and cucumber salad with a tangy herb dressing, or add them to a charcuterie board for a complete keto spread. You can also sprinkle crispy bacon bits on top before serving for an extra savory crunch.

Frequently Asked Questions