Portobello Pizza Nicoise

Name: Portobello Pizza Nicoise
Ingredients: 2 cloves garlic; Kosher salt and freshly ground black pepper; 2 tablespoons red wine vinegar; 1/4 cup extra-virgin olive oil; 2 anchovy fillets, mashed with a fork; 1/2 cup fresh basil leaves, finely chopped; 1/3 cup Nicoise olives, pitted; 1 tablespoon capers, drained; Pinch crushed red pepper flakes; 1 red bell pepper; 1 yellow bell pepper; 2 cups grape tomatoes; 4 large portobello mushrooms, stems removed; Canola oil, for brushing; 6 ounces soft goat cheese