Healthy Ground Beef and Kale Recipe

Name: Healthy Ground Beef and Kale Recipe
Cuisine: Mediterranean, World Cuisine
Ingredients: 1 pound lean ground beef; 6–8 cups fresh kale, firmly packed (any variety will work); 1 medium onion, finely chopped; 3 garlic cloves, minced; 2 tablespoons olive oil; 1 teaspoon smoked paprika; 1 teaspoon dried oregano; 1 teaspoon crushed red pepper flakes (optional for heat); Salt and black pepper, to taste; Juice of 1 lemon; Grated Parmesan cheese (optional, for garnish)