Marinated Mushrooms with Coriander

Name: Marinated Mushrooms with Coriander
Ingredients: 4 tablespoons olive oil; 1/2 spanish onion, peeled and chopped; 4 teaspoons ground coriander; 2 cups dry white wine; 1 bouquet garni (a few sprigs of thyme and parsley, and a bay leaf tied with a string); 2 pounds white button mushrooms, stems removed, cleaned; 3 tablespoons fresh lemon juice; 1 cup currants or raisins; 1 1/2 tablespoons coriander seeds; 10 ripe tomatoes, seeded and pureed (or imported canned tomatoes, drained); 1 tablespoon tomato paste; salt and freshly ground black pepper to taste; 1/2 pound chanterelles or other wild mushrooms (or more button mushrooms), stems removed, cleaned; 1 tablespoon chopped chives, for garnish; arugula or mizuna greens, for garnish