Potato and bacon salad

Ingredients

• 4 large potatoes cooked and cut into slices
• 1 red onion cut into julienne strips
• 12 cherry tomatoes cut in quarters
• 100 g. of chopped cooked bacon
• Chopped fresh parsley
• 6 tablespoons olive oil
• 4 tablespoons white wine vinegar
• 1 tablespoon old-fashioned mustard
• 1 crushed garlic clove
• Salt and pepper to taste