Wild mushroom venison stroganoff

Name: Wild mushroom & venison stroganoff
Ingredients: 150g basmati rice; 1 onion; 1 clove of garlic; extra virgin olive oil; 250g mixed wild mushrooms; 1 teaspoon sweet paprika; ½ a bunch of fresh flat-leaf parsley (15g); 1 handful of cornichons; 300g venison saddle; a good splash of gin; 1 knob of butter; 1 lemon; 150ml soured cream or crème fraîche