Apple, pear and Gorgonzola salad

• 1 apple, cut in slices
• 1 pear, cut in slices
• 1/2 cup pecan halves
• 1/2 cup crumbled Gorgonzola
• 1 -7 oz bag mixed greens salad
• 1 tablespoon Dijon mustard
• 1 tablespoon freshly squeezed lemon juice
• Salt and pepper, to taste