Follow these simple steps to create your Cajun shrimp masterpiece:

1. Prep the Shrimp: Rinse the shrimp under cold water and pat them dry with a paper towel.
2. Season the Shrimp: In a bowl, toss the shrimp with Cajun seasoning, paprika, oregano, salt, and pepper. Ensure the shrimp are evenly coated.
3. Heat the Oil: In a large skillet, heat olive oil over medium-high heat.
4. Cook the Vegetables: Add sliced bell peppers and onions to the skillet. Sauté for 3-4 minutes or until they begin to soften.
5. Add Garlic: Stir in the minced garlic and cook for an additional 30 seconds, until fragrant.
6. Cook the Shrimp: Add the seasoned shrimp to the skillet in a single layer. Cook for 2-3 minutes on one side, then flip and cook for another 2-3 minutes, or until the shrimp are pink and opaque.
7. Add Lemon Juice: Drizzle lemon juice over the cooked shrimp and toss everything to combine.
8. Garnish: Remove the skillet from heat and sprinkle with chopped green onions and parsley for a fresh touch.
9. Serve Immediately: Enjoy your Cajun shrimp while they are hot!

These steps will guide you through creating an astonishing dish that will leave your taste buds dancing in delight!