In medium skillet, heat olive oil over medium heat. Add shrimp to skillet and cook until pink, about 3 minutes. Remove shrimp from skillet and set aside.
In same skillet, add rice, lemon juice and red pepper flakes. Stir to combine and heat through, 1 minute. Return shrimp and stir to combine.
Garnish with parsley. Squeeze lemon wedge over top, if desired, and serve.
Notes
Substitution: Use sauteed mushrooms or crispy tofu to make vegetarian.