Pear, Walnut & Feta Salad

3 tbs lemon juice
1 tsp honey
1/2 tsp Dijon mustard
1 tsp thyme
1/3 cup olive oil
1 head of Boston lettuce
1 pear sliced thin
1/2 cup of toasted walnuts
2 ounces Feta cheese crumbled

Mix together first 4 ingredients. Slowly add oil while whisking. Top lettuce with pear slices, cheese and nuts. Pour dressing over top.