Spinach and Pear Salad

Ingredients

1 bunch of spinach, leaves picked, washed and roughly chopped if they are large
2 pears, peeled, cored and thinly sliced
½ red onion, thinly sliced
Strong cheese such as blue, feta or goat cheese
Handful of nuts
Dressing:
1 ½ tbsp balsamic vinegar
2 tsp honey
1 tsp Dijon mustard
2 tbsp olive oil
1 clove crushed garlic
½ tsp finely chopped fresh rosemary