If you want an even healthier mix, use no-salt-added black beans and season lightly to taste. This will cut down on sodium!
Divide spinach among 4 bowls. Microwave each, uncovered, for 1 minute on high to wilt, if desired.
Divide sweet potatoes, beans, tomato, peppers and cheese among bowls with spinach.
Stir cumin and cinnamon into marinara sauce; divide among bowls or serve on the side.