Keto Cheeseburger Casserole Recipe

Name: Keto Cheeseburger Casserole Recipe
Cook time: 30 min
Total time: 30 min
Cuisine: American
Ingredients: 1 lb / .45 kg ground beef; 2 garlic cloves, minced; 1 cup / 236.6 mL onion, chopped; 1 tsp / 5 mL burger seasoning; salt and pepper to taste; 1 tsp / 5 mL Worcestershire sauce; 2 oz / .06 kg cream cheese; 2 eggs; 1 cup / 236.6 mL cheddar cheese, shredded and divided; 1 cup / 236.6 mL white cheddar cheese, shredded and divided; ½ cup / 118.3 mL heavy whipping cream; 1 Tbsp / 15 mL mustard