Preheat oven to 350°F (175°C) and line a baking sheet with a silicone mat or parchment

Place mozzarella cheese slices on the baking sheet, spacing them apart

Bake 5–7 minutes until the cheese edges are browned and bubbly

Allow cheese rounds to cool about 1 minute until pliable

In a bowl, combine shredded chicken, chopped bacon, ranch dressing, and green onions

Place a scoop of chicken mixture along the edge of each cheese round

Tightly roll each taquito with the seam side down

Optionally return to oven briefly to warm filling

Serve immediately while warm and crispy