Sausage, Spinach, and Apple Breakfast Sandwiches

Ingredients:

• 3 1/2 tablespoons canola mayonnaise
• 1 1/2 tablespoons grainy Dijon mustard
• 1 teaspoon chopped fresh tarragon
• 2 teaspoons honey
• 1/2 teaspoon white vinegar
• 1/4 teaspoon freshly ground black pepper
• 6 ounces turkey breakfast sausage
• 4 cups baby spinach
• 4 whole-wheat English muffins, split and toasted
• 1/2 Granny Smith apple, thinly sliced

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