Mushroom-Beef Blended Burgers

Name: Mushroom-Beef Blended Burgers
Total time: 55 min
Yield: 4
Cuisine: American
Ingredients: 12 oz White Button Mushrooms (12 ounces white mushrooms, trimmed); 1 lb Ground Beef (1 pound 80 percent lean ground beef, broken into rough 1½-inch pieces); 1 ¼ tsp Kosher Salt (1¼ teaspoons kosher salt); ½ tsp Black Pepper (½–2 teaspoons pepper — up to 2); 1 ½ tsp Vegetable Oil (1½ teaspoons vegetable oil); 4 slices American Cheese (4 slices American, Swiss, or cheddar cheese (optional)) — optional; 4 pieces Hamburger Buns (4 hamburger buns, toasted)

A juicy beef burger enriched with finely processed mushrooms for moisture and umami, shaped into patties, pan-seared, and optionally topped with melted cheese.

55 minAmerican

Servings4

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Steps

1Process mushrooms in food processor until smooth paste forms (paste will resemble thick oatmeal), scraping down sides of bowl as needed, about 1 minute. Transfer to large bowl and cover. (Do not wash out processor bowl.)
2Microwave mushrooms until liquid released begins to boil, about 3 minutes, stirring halfway through. (Do not walk away during final minute; mushrooms could boil over.) Transfer mushrooms to large fine-mesh strainer set over bowl. Using spatula, press on mushrooms to extract ½ cup liquid (if more than ½ cup is removed, stir extra liquid back into mushrooms). Discard liquid and return mushrooms to bowl. Refrigerate mushrooms until room temperature, about 20 minutes.
3Return mushrooms to processor bowl. Add beef and salt and process until mixture is uniform and begins to pull away from sides of bowl, about 20 seconds. Divide mixture into 4 equal portions and shape into patties that are 4½ inches in diameter. Sprinkle both sides of each patty with pepper. (Patties can be refrigerated overnight or tightly wrapped and frozen for up to 1 month; if frozen, thaw before cooking.)
4Heat oil in 12-inch skillet over medium-high heat until shimmering. Transfer patties to skillet and cook until well browned on both sides and burgers register 135 degrees (for medium-rare) or 155 degrees (for medium-well), 6 to 10 minutes. If using cheese, place 1 slice on each burger 1 minute before burgers finish cooking. Transfer burgers to plate and let rest for 5 minutes, then transfer to buns and serve.