Patatas à la Riojana (Rioja-style potatoes)

Name: Patatas à la Riojana (Rioja-style potatoes)
Cook time: 1 h
Total time: 1 h
Yield: 4
Ingredients: 2 medium-sized onions; 4-5 Garlic cloves; 1 (250 g) Chorizo Sausage; 1 kg waxy potatoes; 6 TABLESPOONS Olive oil; 1/2 l clear broth (instant); 2-3 stem(s) flat leaf parsley; 7-10 Tbsp Pepper