When I think of making vegetarian appetizers, first thing that comes to my mind is cutlet. Cutlets tastes great even if it is made with veggies.
Its healthy and rich in protein.
Tasty as well.
Ingredients

Chickpeas, cooked- 1 large bowl

Brown grams – 1 large bowl

Onion -2 bulbs

Garlic 7-8

Green coriander leaves

Chilli

Ginger

Chili powder- 1 tsp

Ground Cumin- 1 tsp

Coriander powder- 1 tsp

Corn Flour – 2 tsp

Salt- to taste

Cilantro, chopped- 2 handful

Lemon juice- 2 tsp

Other ingredients:

Oil- enough to shallow fry or deep fry

Bread crumbs
●Mixed veggies- 1 cup (carrot, beans, corn)