Quick-Pickled Red Onions

Makes about 2 cups We like these as a taco topping. Equipment Kettle for boiling water Knife and cutting board Sieve or colander Clean jar or container (not metal or plastic) Ingredients 1 medium red onion, about 5 ounces 1/2 teaspoon sugar 1/2 teaspoon salt 3/4 cup rice vinegar, white wine vinegar, or apple cider…