Beef and Mushroom Cheeseburgers | Canadian Living

Ingredients

• 8 cremini mushrooms
• 1 small onion coarsely chopped
• 1 lb extra-lean ground beef
• 1 teaspoon chopped fresh thyme
• 1 teaspoon dry mustard
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon cayenne pepper
• 4 slices Cheddar cheese
• 2 cups baby arugula
• 2 tomatoes sliced
• 4 whole grain kaiser rolls halved and toasted
• Sodium 780 mg
• Protein 36 g
• Calories 451.0
• Total fat 18 g
• Potassium 914 mg
• Cholesterol 82 mg
• Saturated fat 8 g
• Total carbohydrate 39 g
• Iron 33.0
• Folate 30.0
• Calcium 25.0
• Vitamin A 18.0
• Vitamin C 22.0