Table 1. Formula for cookies prepared with different amounts of onion peel powder

Ingredients (g)	Group1)
	Control	OP2	OP4	OP6
Onion peel powder	0	3	6	9
Wheat flour	150	147	144	141
Shortening	65	65	65	65
Sugar	50	50	50	50
Egg	34	34	34	34
Baking powder	1	1	1	1

Control, no onion peel powder added; OP2, 2% onion peel powder added; OP4, 4% onion peel powder added; OP6, 6% onion peel powder added.