Cut the kidneys, as well as the bacon, into 6 pieces. Cut the liver and the heart into 12 pieces. Dice the peppers. Halve the tomatoes, seed, dice. Peel the onions. Remove the stem of the mushrooms, wash in lemon water. Prepare the skewers, alternating the ingredients, salt, pepper, sprinkle with thyme leaves. Arrange the skewers on a broiler, or the grill of your oven. Broil in very not oven (450F) for 8 to 10 minutes. Turn frequently for a uniform cooking, the kidneys and the liver must remain rare inside. Serve with boiled rice, with a little harissa (chili paste) if you wish.
