Dill Havarti Veggie Sandwiches with creamy dill spread Recipe

Ingredients

• ¼ cup canola or olive oil mayonnaise
• ¼ cup sour cream
• ¼ cup chopped fresh dill
• 1 Tbsp. minced lemon zest
• Salt
• black pepper
• 8 slices pumpernickel bread
• 2 cups fresh baby spinach
• 8 oz. sliced dill Havarti cheese
• ½ zucchini, cut crosswise, thinly sliced lengthwise
• ½ yellow squash, cut crosswise, thinly sliced lengthwise
• ½ red bell pepper
• 1 cup thinly sliced cucumber (about ½ large cucumber)
• ½ cup thinly sliced red onion