Place the bacon, not overlapping, on a paper towel lined microwave safe plate and cover with two additional paper towels. Microwave on high for 6 mins, then transfer to another plate covered with paper towels and microwave, uncovered, for 1 minute more.

While the bacon is cooking, place the frozen pepper and onion on a plate in a single layer to defrost slightly. Drizzle with melted butter, add the chopped cilantro and jalapenos, splash with lime juice, and stir. Microwave on high, uncovered, for 4 minutes, stopping and stirring once every minute. Evenly divide the mixture into 4 parts.

Roll tortillas by folding the bottom up and then over length-wise. Place two fajitas on a microwave safe plate, seam-side down. Microwave on high for 1 minute, turn, and microwave for 30 seconds more. Top with sour cream or guacamole.