Ingredients
3 portobello mushroom caps, rinsed and stems removed
1 onion, sliced 1 cm thick
3-4 tablespoons olive oil
coarse salt to taste
ground pepper to taste
2 tablespoons balsamic vinegar
4 chicken breasts, boneless and skinless
250 g goat cheese
12-16 smoked bacon strips, 3-4 per breast
12-16 wooden toothpicks, soaked in water for 20 minutes