Creating shrimp and grits is straightforward when you follow these easy steps:

1. Cook the Grits: In a medium pot, bring the water or chicken broth to a boil. Gradually whisk in the grits and reduce heat to low. Simmer for about 20-25 minutes, whisking frequently until smooth and creamy.
2. Add Cheese: Once grits are cooked, stir in the cheddar cheese and 2 tablespoons of butter. Season with salt and pepper to taste. Keep warm on low heat.
3. Cook the Bacon: In a large skillet over medium heat, add the chopped bacon. Cook until crispy, then remove and drain on paper towels.
4. Sauté Vegetables: In the same skillet, with remaining bacon fat, add the onions and bell peppers. Sauté until softened, about 5 minutes. Add the garlic and cook for an additional minute.
5. Cook the Shrimp: Push the vegetables to one side of the skillet, and add the shrimp to the other side. Sprinkle Cajun seasoning over the shrimp. Cook until the shrimp turn pink, about 3-4 minutes, flipping halfway through.
6. Combine: Stir the vegetables and shrimp together. Add remaining butter, and season with salt and pepper as desired.
7. Serve: Remove grits from heat and serve immediately. Place a generous scoop of grits in each bowl and top with the shrimp mixture. Garnish with crispy bacon and sliced green onions.

Following these steps will lead you to create a comforting, flavorful dish that is bound to impress your palate. The surprising harmony of textures and flavors in shrimp and grits will have everyone asking for seconds!