Venison Goulash with Porcini

Name: Venison Goulash with Porcini
Ingredients: 1 kilogram Venison goulash (stew meat); 1 Onion; 1 Carrot; 200 grams Celery; 1 Garlic clove; 3 tablespoons Vegetable oil; 1 tablespoon Tomato paste; 250 milliliters Red wine; 200 milliliters Game stock; 1 Bay leaf; ½ teaspoon Peppercorns; ½ teaspoon Juniper berries; 1 Rosemary sprig; 4 Thyme sprigs; 250 grams Porcino mushroom; 1 tablespoon Butter; 2 tablespoons chopped Parsley; Salt; freshly ground black Pepper; Red currant jelly; Rosemary (for garnish)