Prepare croutons by combining melted butter and honey in a medium bowl.
Add cubed bread and toss to coat.
Bake on a rimmed baking sheet at 350 degrees for 10-12 minutes.
Prepare dressing by combining all ingredients in a small jar and shaking vigorously.
Assemble salad by topping mixed greens with berries and cheese; top with croutons and dressing.