Prep the shrimp: Pat the shrimp dry and chop into small bite-size pieces. This helps them cook quickly and blend into the dip.
Sauté the shrimp: Heat a skillet over medium heat with butter or oil.
Add shrimp, garlic powder, and onion powder. Cook 2–3 minutes until just pink and opaque. Season with a pinch of salt and pepper.
Remove from heat. Do not overcook.
Heat the oven: Preheat to 375°F (190°C). Lightly grease a small baking dish (about 1.5–2 quarts).
Mix the base: In a bowl, combine softened cream cheese, buffalo sauce, and ranch or blue cheese dressing.
Stir until smooth. A hand mixer makes this extra creamy.
Add the cheese: Stir in mozzarella, cheddar, and blue cheese (if using). Fold in sliced green onions and the cooked shrimp.
Taste and adjust: Add a little more buffalo sauce for heat, or a pinch of salt and pepper if needed.
Keep in mind the flavors bloom as it bakes.
Transfer and bake: Spread the mixture into the prepared baking dish. Smooth the top. Bake 15–18 minutes, until hot and bubbling around the edges.
Optional broil: For a lightly browned top, switch to broil for 1–2 minutes.
Watch closely to avoid burning.
Garnish and serve: Sprinkle with extra green onions, drizzle with buffalo sauce if desired, and serve warm with keto-friendly dippers.