A Portobello Burgers Vegetarian Recipe

Name: A Portobello Burgers Vegetarian Recipe
Ingredients: * 8 medium portobello caps; * canola oil (sorry Rachael, no EVOO in the No Meat Athlete version); * 4 large shallots, thinly sliced; * 4 tbsp vinegar (sherry vinegar is best, but expensive); * thyme, either 2 tsp dried or 2 tbsp fresh; * 2 tbsp vegan Worcestershire sauce; * 2 tbsp dijon mustard; * 4 thick slices of rustic whole-wheat bread, cut from a loaf; * 1 8.25-oz can of beets, drained and cut into sticks; * 4 big handfuls arugula (you can substitute baby spinach); * a few crumbles of goat cheese (optional); * salt and pepper