spinach brownies

Ingredients For spinach brownies

• 1 pkg

  (10 oz.) frozen chopped spinach, thawed
• 1 lb

  cheddar cheese, shredded
• 1/2 c

  chopped onion
• 1 tsp

  salt
• 1 tsp

  baking powder
• 1 c

  flour
• 2

  eggs, beaten
• 4 Tbsp

  butter, melted
• 1 c

  milk