Gather all your ingredients on a clean countertop.
Slice the dill pickles into thin rounds and shred the cheddar cheese if using block cheese.
Place a large skillet over medium heat and add a small pat of butter.
Allow it to melt completely until bubbly but not browned.
On one half of the tortilla, sprinkle a generous amount of cheddar cheese followed by a layer of sliced pickles.
Fold the tortilla over to cover the fillings.
Place the folded quesadilla in the skillet and cook for about 3-4 minutes or until golden brown.
Flip carefully using a spatula to crisp both sides evenly.
Once both sides are beautifully browned and crispy, remove from heat.
Slice into wedges and serve warm with salsa or sour cream if desired.