liv carbonero on Instagram: "This recipe SMASHES ❤️‍🔥 [~475 cals 69g protein] - I just updated my cookbooks with new recipes, tips and more! Find them in my bio 👀💖 - ✰ 1 low carb burger buns - garlic butter: 1/2 tbsp low fat butter, 1/2 tbsp minced garlic, parsley ✰ caramelized onions - 1/4 tbsp low fat butter + 3 tbsp diced onions ✰ 8 oz (227g) extra lean ground beef, - 2 tsp (6g) onion powder, 2 tsp (6g) garlic powder, 2 tsp (6g) paprika, salt and pepper for seasoning ✰ 2 fat free cheese sl