Simple Greek Avocado Sandwich

INGREDIENTS

• 2 slices soft whole wheat bread
• 1/2 avocado
• 1 tablespoon basil pesto*
• roasted red bell pepper (jarred is fine)
• cucumber, sliced into thin rounds
• thinly sliced red onion
• 6 pitted kalamata olives, thinly sliced
• handful spring mix
• balsamic reduction or regular balsamic vinegar