Spinach & Bean Tacos

My grandma was always clever at turning one dish into many others. Take simple pinto beans as an example: she would turn frijoles de la olla into a completely different meal by cooking them with onion and garlic, adding spinach, and then tucking the warm mixture into charred corn tortillas. She also often cooked plant-based dishes before it was trendy. We just never called them vegetarian when I was growing up. Her saying was always, para que rinda, which means to add to it—to