Pork Crackling Biscuits A wonderful Serbian appetizer made of Greaves salted biscuits, they are a great snack for breakfast or snacks, the shapes can be smaller or larger, you decide for yourself. The dough is perfect and delicious. Follow recipe. Ingredients: simple, total time: 90 min. 500 g flour + 50 g for work surface 10 g dry yeast 2 tsp salt 250 ml lukewarm milk 70 g butter 2 egg yolks 300 g crackles 80 g flour 1. 5 tsp black pepper Pork Crackling Biscuits Preparation: