01 - Preheat oven to 375°F. Line a large baking sheet with parchment paper.
02 - Boil elbow macaroni according to package directions until al dente. Drain thoroughly and set aside.
03 - In a medium saucepan over medium heat, melt butter. Whisk in flour and cook for 1 minute, stirring constantly.
04 - Gradually whisk in milk, stirring continuously until sauce is smooth and thickened, about 2–3 minutes.
05 - Remove saucepan from heat. Stir in salt, black pepper, paprika, and 1 1/2 cups shredded cheddar until cheese is fully melted.
06 - Add drained macaroni to cheese sauce and mix until well coated. Allow mixture to cool slightly.
07 - Unroll crescent dough triangles and arrange in a circle on prepared sheet, overlapping wide ends to form a ring with points facing outward.
08 - Spoon mac and cheese evenly around the ring, placing filling near the base of each triangle.
09 - Sprinkle remaining 1/2 cup cheddar cheese evenly over the mac and cheese filling.
10 - Fold triangle points over the filling and tuck under the ring to secure.
11 - Brush top of ring with melted butter. Bake for 18–20 minutes, until golden brown and crisp.
12 - Allow rings to cool for 5 minutes. Garnish with chopped parsley if desired, then slice and serve warm.