Use block feta for the creamiest result — not pre-crumbled.
Bring refrigerated tirokafteri to room temperature before serving.
Heat level is easily adjusted: use more or fewer chili seeds, or swap fresh chili for red pepper flakes.
No food processor? Mash feta with a fork, finely chop peppers and garlic, and combine. The texture will be more rustic — which many people prefer.