How we make vegetable stock

How we make white vegetable stock
        Ingredients:-
          1.Two onion
               2.One potato
               3.Small piece of cabbage
               4.200gm white pumpkin
        Method:-
                  Cut all the vegetables in small pieces.Pour 5-6 cups of water in pressure cookerand boil it.Let them cool when it cools down sieve it with siever and threw the pulp.White vegetable stock is prepared.     
         
How we make brown stock
      Ingredients:-
       1.Three carrots
          2.8-10 french beans
          3.Three tomato
          4.One potato
          5.Small piece of cauliflower 
  Method:-
       Cut all the vegetables in small pieces.Pour 5-6 cups of water in pressure cookerand boil it.Let them cool when it cools down sieve it with siever and threw the pulp.Brown vegetable stock is prepared.