4 large portobello mushrooms, stems removed
2 large red bell peppers, quartered, pits and seeds removed
4 T of The Olive Bin's Wild Mushroom & Sage Olive Oil
3 T of The Olive Bin's Traditional 18-Year Balsamic Vinegar, divided
1 tsp dried red pepper flakes
4 T of any of The Olive Bin's Extra Virgin Olive Oil, divided
1 lb halloumi cheese, cut into ¼-inch slices
Salt and pepper
The Olive Bin's Basil Pesto
2 T pine nuts
2 lemons, thinly slices