Step 1: Cook macaroni according to package directions until al dente, then drain and set aside.
Step 2: Heat olive oil in a skillet over medium-high heat, then add chicken pieces and cook until browned and cooked through, about 8-10 minutes.
Step 3: Stir honey, black pepper, and garlic powder into the skillet with the chicken, coating evenly, and cook for 2 more minutes. Remove from heat.
Step 4: In a saucepan, melt butter over medium heat, then whisk in flour to form a roux and cook for 1 minute.
Step 5: Gradually whisk in milk until smooth, bring to a simmer, and cook until thickened, about 5 minutes.
Step 6: Remove saucepan from heat, stir in shredded cheddar cheese until melted and smooth, then season with salt to taste.
Step 7: Combine cooked macaroni with the cheese sauce, then top with honey pepper chicken before serving.