Add 1 tbsp vegetable oil to a nonstick pan.
Place 10 frozen dumplings in a single layer, flat-side down, leaving space between dumplings.
Add ½ cup of water to the pan, cover and bring to a boil on medium-high.
8-Inch...1/2 cup, 10-Inch...2/3 cup, 12-Inch...1 cup.
Uncover and simmer on medium for 5-7 minutes or until water has evaporated.
Continue cooking bottoms of dumplings until lightly browned.
Bring 8 cups of water to
Add 10 frozen dumplings to boiling water
Boil for 5-6 minutes
Add 1 to 2-inches of water to bottom of steamer and heat on high to a rapid boil.
Place frozen dumplings in the top of steamer and cover with a lid.
Steam over medium heat for 7-8 minutes, until thoroughly cooked.
Place 10 frozen dumplings in a 1-qt microwave-safe dish, add 1/4 cup of water and loosely cover.
Microwave on high (1100 watts) for 2-3 minutes. Let rest 2 minutes.
Uncover and drain. Careful, the water will be hot.
In a bowl, combine
2 tablespoons low-sodium soy sauce,
2 tablespoons rice vinegar,
1/2 teaspoon toasted sesame oil,
1 tablespoon ketchup (optional),
1 tablespoon Siracha hot sauce (if you like it hot!)