Ingredients

1/4 cup frozen tangerine juice
concentrate, thawed
2 tablespoons vegetable oil
2 tablespoons lime juice
2 tablespoons water
1/2 teaspoon dried oregano
1/2 teaspoon ground cumin
1/2 teaspoon salt
1/4 teaspoon ground red pepper
2 pounds medium shrimp, unpeeled
1 pound fresh asparagus
3 medium yellow squash
Cooking spray
6 small plum tomatoes, halved lengthwise
6 cups fresh spinach leaves, thinly sliced