Prepare Dressing: In a blender, combine fresh basil, lemon juice, nutritional yeast, and a pinch of salt. Blend until smooth and creamy. Set aside.

Mash Chickpeas: In a mixing bowl, add drained chickpeas and mash them to your desired consistency for a chunky texture.

Combine Salad: Finely chop green cabbage and optional jalapeño. Add to the bowl with mashed chickpeas and mix well with the dressing.

Assemble Sandwich: Spread hummus or mustard on bread slices, layer with spinach, and add the chickpea salad mixture.

Serve & Enjoy: Cut assembled sandwiches as preferred and serve immediately. Wrap leftovers for later use, consuming within 3 days.