Stuffed Quail with Autumn Vegetables

Name: Stuffed Quail with Autumn Vegetables
Ingredients: 4 Quails (ready to cook); Salt; freshly ground Pepper; 1 Onion; 1 small Apple; 2 tablespoons Butter; 2 slices Toast; 1 tablespoon Lemon juice; Fat; 4 tablespoons Vegetable oil (for brushing); 250 grams mixed Wild mushroom (such as ceps, chanterelles, brown caps, chestnuts, etc.); 250 grams cooked, waxy Potatoes; 150 grams Swiss chard; 3 tablespoons Rose hip; 4 sprigs Thyme; 200 milliliters dry Red wine; 1 teaspoon Tomato paste; 300 milliliters Beef broth; 1 tablespoon Butter; 1 tablespoon Pastry flour