Cheese and onion lentil rolls

puff pastry ((~ 17.5 oz))

(~ 1 cup) dried red lentils, (or 560g (~ 2 1/4 cups) cooked red lentils)

vegetable stock cube

oil

frozen diced onions ((~ 2 cups))

garlic, (minced)

Flour for rolling

cheddar cheese, grated ((~ 1 1/2 cups grated))

chopped parsley ((I used frozen))

Salt

Black pepper

milk