Slice steak and onion. Slice or chop the broccoli including the stem

Heat up plenty of butter in a frying pan or wok. Brown the meat. Season with salt and pepper. Remove and put aside.

Brown broccoli and onion in the same frying pan with more butter. Save a dollop of butter for serving.

Add soy sauce towards the end (optional). Return the meat back to the pan and stir. Season to taste.

Serve immediately with a dollop of butter and pumpkin seeds.