In a small pot, bring water and sea salt to a boil, then whisk in the stone-ground grits.
Reduce heat to low, cover, and simmer for 15-20 minutes until tender, stirring occasionally to prevent sticking.
While the grits cook, heat olive oil in a large skillet over medium-high heat.
Add the diced yellow onion and bell pepper to the skillet, sautéing for 3-4 minutes until the vegetables have softened.
Add the shrimp, Cajun seasoning, minced garlic, and black pepper to the skillet.
Cook the shrimp for 2-3 minutes per side until they are pink, opaque, and fully cooked through.
Once the grits are done, remove from heat and stir in the ghee and plain Greek yogurt until the texture is creamy and velvety.
Spoon the grits into a shallow bowl and top with the sautéed Cajun shrimp and vegetable mixture.
Garnish with chopped fresh parsley and serve immediately.