Chicken Salad with Croutons & Ranch Dressing

For the chicken:

3 chicken breasts

5 tbsp extra virgin olive oil

1 tbsp dried oregano

1 tbsp dried rosemary

1 tsp garlic powder

Salt and pepper

For the salad:

1 head of lettuce, roughly chopped

½ small red onion, thinly sliced

A handful of cherry tomatoes, halved

2 sweet pointed peppers, chopped

½ cucumber, cubed

For the croutons:

2 slices white bread, cut into small cubes

2 tbsp olive oil

Salt and pepper

For the dressing

100g mayonnaise

100g sour cream

100g buttermilk

½ tsp dried dill

½ tsp dried parsley

½ tsp onion powder

½ tsp garlic powder

Pinch of salt

Black pepper, to taste

1 tsp lemon juice

To garnish:

30g freshly grated Parmesan