FOR MEATBALLS: Combine ground beef, minced onion, cream, almond flour, the egg, salt, pepper, garlic powder, and worcestershire sauce in a large bowl. Using your hands or a large spoon, mix ingredients together till thoroughly combined.
Roll mixture into 20 meatballs.
Heat a skillet to medium high heat. Add olive oil and cook the meatballs until browned on the outside and no longer pink. It takes about 6-8 minutes. Remove meatballs from the pan.
FOR SAUCE: Turn heat down to medium low, and add the water, beef bouillon cube, cream, worcestershire sauce, and pepper. Cook and whisk till bouillon cube dissolves and sauce thickens slightly.
Return meatballs to the skillet. Cook and stir until heated through.
Serve alone, or over cauliflower mash or zoodles.