Portobello mushroom is a great source for several nutrients including thiamine, niacin, and biotin.
Zucchini & Squash are a good source of fiber, Vitamin B6, Folate & Potassium, & a very good source of Manganese & vitamins A, C.
Red bell peppers are a good source of vitamin C and B6 & antioxidants.
Spinach contains several important nutrients including calcium, iron, and vitamin A.