Step 1

Preheat oven to 350° F

Step 2

Saute onion in butter over medium-high heat until translucent, stirring occasionally, cool

Step 3

While the onion is cooking, combine the two meats with eggs, bread crumbs, milk, and seasonings

Step 4

Heat beef broth to a simmer

Step 5

While the broth heats, add cooked onions to the meat mixture and shape into meatballs, about 1 1/2 inches in diameter, about the size of a golf ball

Step 6

Drop meatballs into simmering broth, you may need to do a few batches, remove with a slotted spoon when they float to the top, about 5 minutes

Step 7

Consult notes to finish with sour cream – mushroom sauce or tomato sauce

Step 8

Bake until the meatballs reach an internal temperature of 165° or 20-25 minutes