4 slices slices thick-cut bacon, cut into 1 inchpieces
1 small red onion, sliced ¼ inch thick
½ pound chanterelles or crimini (baby bella) mushrooms, cut into pieces
1 garlic clove, finely grated
¼ cup red wine vinegar
2 teaspoons sugar
1 teaspoon Dijon mustard
¼ cup extra-virgin olive oil
Kosher salt and freshly ground black pepper
8 ounces hearty greens (such as mustard greens, spinach, or baby kale), torn
½ cup crumbled blue cheese
Instructions
Cook bacon in a large skillet over medium heat, stirring occasionally, until crisp, 8–10 minutes. Using a slotted spoon, transfer bacon to a paper towel–lined plate.
Cook onion in same skillet, stirring occasionally, until softened and lightly browned, 6–8 minutes, using a slotted spoon, transfer to plate with bacon. Repeat with mushrooms. Remove skillet from heat. Add garlic, vinegar, sugar, and mustard, scraping up browned bits. Whisk in oil; season dressing with salt and pepper.
Toss greens, warm dressing, bacon, onion, and mushrooms in a large bowl; season with salt and pepper and top with cheese.