Crumble the feta cheese and add to a food processor or blender. Add greek yogurt, lemon juice, garlic, salt and pepper. Blend until a smooth, even texture, about 3-4 minutes. Scrape down the sides if necessary.
8 ounces block feta cheese, ½ cup greek yogurt, juice of ½ lemon, 2 cloves garlic, ½ teaspoon salt, ½ teaspoon black pepper