|30 ml||butter||2 tbsp|
|500 g||lean ground beef||1 lb|
|5 ml||salt||1 tsp|
|1 ml||pepper||1/4 tsp|
|250 ml||beef stock||1 cup|
|Peel onions and cut a 1/2 inch (1.25 cm) slice from the top of each. Put tops aside. Hollow out centres to form holes for stuffing. Save centre of the onion, finely chopping.
In a skillet, melt butter and brown chopped onion. Add ground beef, salt and pepper, mixing well.
Stuff centre of onion with ground beef mixture. Put top back on onion and secure with toothpicks. Place onions on baking dish and pour beef stock over top. Bake in preheated 375 F (190 C) oven for 1 hour or until onions are soft.