Crispy Grilled Mexican-Style Veggie Sandwich

CRISPY GRILLED MEXICAN-STYLE VEGGIE SANDWICH1 large red bell pepper3 T. fresh lime juice1 T. minced fresh oregano1 T. olive oil1 T. ground cuminBlack/red pepper1 (15-oz.) can black beans, rinsed and drainedPAM1 large zucchini, cut lengthwise into ¼” slices1 medium red…