Spinach Brownies
["1 c. flour", "1 tsp. garlic powder", "1 tsp. salt (optional)", "1 tsp. baking powder", "1 (10 oz.) pkg. frozen chopped spinach, thawed and drained (do not cook)", "3/4 lb. sharp Cheddar cheese, grated", "2 eggs, beaten", "4 Tbsp. margarine, melted", "1 c. milk"]
["Mix by hand.", "Bake in a 9 x 9-inch greased pan.", "Bake at 350\u00b0 for 30 to 35 minutes.", "Run knife around edge of pan and let cool slightly.", "Cut into squares.", "Freezes well and can be reheated at 400\u00b0 for 20 minutes.", "Enjoy!"]
["flour", "garlic powder", "salt", "baking powder", "Cheddar cheese", "eggs", "margarine", "milk"]