onion barley casserole

Ingredients For onion barley casserole

• 1/2 c

  medium pearl barley
• 1 Tbsp

  vegetable oil, (i prefer olive oil)
• 1 1/2 c

  water
• 1 tsp

  beef bouillon granules
• 1/4 tsp

  salt
• 1/2 c

  sliced green onions
• 1 can

  (4 ounces) whole button mushrooms, drained