Directions

1. Pulse shallots, quartered, in food processor until chopped; put half in small bowl. To processor, add sliced mushrooms; pulse into bits.
2. Mix and form mushroom mixture, ground turkey, and 1/2 teaspoon salt into four patties. Cook in skillet, in olive oil, on medium-high 8 to 10 minutes or until 165 degrees F, flipping once. Transfer to plate. Top each with 1 slice Swiss cheese; keep warm.
3. Melt butter in skillet on medium. Add remaining shallot and mushrooms; cook 5 minutes. Stir in flour; cook 30 seconds. Add beef broth; cook 5 minutes or until thickened. Add cream and 1/4 teaspoon each salt and pepper. Serve with burgers on buns.