You can wrap them in a slightly damp kitchen towel. Heat in 15-20 second bursts in the microwave until warm.u003cbr/u003eu003cbr/u003eOR you can place over an open flame on your stovetop, using tongs to turn the tortilla over the flame so it gets some color but doesn't catch fire. When you're heating it on the stovetop, you'll know it's time to turn it when the tortilla begins to fill with air and puff up.u003cbr/u003eu003cbr/u003ePersonally, I like the stovetop method, but I realize not everyone has a gas range.u003cbr/u003eu003cbr/u003eIf you'd like to warm them on the stovetop without a gas range, you can place them in a clean skillet over medium-high heat. When the tortilla begins to puff up, flip with a pair of tongs.