Shami Kebabs

Ingredients:

225g minced lamb
1 small onion, peeled and quartered
225g tinned green lentils, drained weight
1 heaped teaspoon Seasoned Pioneers cardamom masala
1 teaspoon salt flakes
½ teaspoon black peppercorns, crushed with a pestle and mortar
1 small egg, beaten
1-2 tablespoons groundnut or other flavorless oil
1 rounded tablespoon seasoned flour