The seasoned beef keeps 4 days refrigerated and freezes for 3 months. Store filling and toppings separately — assembled tacos go soggy within the hour. Reheat the beef in a skillet with a splash of water; the microwave dries it out.
About ¼ lb (115 g) each, which is two generously filled small tacos. The 1 lb here feeds four.
They're too cold. Warm each 15–20 seconds per side in a dry skillet, then stack them in a clean towel — the trapped steam keeps them pliable while you fill the rest.
Yes. Cook the filling up to two days ahead and reheat in a skillet. Prep toppings the same day and set it out as a build-your-own bar.