Squeeze limes into a medium bowl; add scallions and 1 Tbsp. of oil, salt and pepper; toss to combine. Cover and place in the refrigerator to chill.
Preheat oven to 475°F. Arrange tortillas on two baking sheets; brush both sides with remaining olive oil. Spread beans and quinoa over tortillas. Top with grape tomatoes, Crunchmaster® Crackers, avocado, salad greens, pistachios, orange juice, parsley and hummus. Bake until golden brown, approximately 10-12 minutes, rotating sheets halfway through.
Remove from oven; top with salsa, orange zest chilled lime mixture and Greek yogurt.