Can I make these dumplings ahead of time?
Yes. Assemble the dumplings, place on a parchment-lined tray, freeze until solid (2–3 hours), then transfer to a freezer bag. Cook from frozen, adding 2–3 minutes to the steaming time.
What type of cabbage works best?
Green cabbage leaves are most pliable and cook evenly. Blanch them in boiling water for 1–2 minutes first to soften and make them easier to roll.
How do I know when the dumplings are done?
They're done when the cabbage is tender and the ground beef is cooked through (no pink). The pan should have minimal liquid remaining, about 5–7 minutes on medium-high heat.
Can I bake these instead of pan-steaming?
Yes. Arrange on a greased baking sheet, cover with foil, and bake at 375°F for 15–18 minutes until the cabbage is tender and filling is cooked through.
What can I use instead of coconut aminos?
Tamari or low-sodium soy sauce works as a 1:1 substitute. Regular soy sauce is higher in sodium but still acceptable.