In a medium sized pot, mix together the brown sugar, honey, ketchup, soy sauce, and minced garlic.
Heat through and let simmer for about 5 min.
In a bowl, mix meatballs together, extra-lean ground beef, breadcrumbs (or panko), egg, yellow onion, garlic powder, salt, pepper, until combined. Heat a large skillet over high heat and sear meatballs for 2-3 minutes each side until lightly cooked and browned.
Put meatballs in crockpot and cover with sauce. Place on low for 2-3 hours.
