Prep: Preheat oven to 400°F (200°C). Lightly grease a 9x13 baking dish.
Veggies: Steam broccoli for 3 minutes until bright green. Place in the baking dish with the corn.
Sauce: Heat 1 tbsp olive oil in a pan. Sauté garlic for 1 min. Whisk in flour for 1 min. Slowly add milk, whisking until thickened. Remove from heat; stir in Greek yogurt, cheese, paprika, and lemon zest.
Seafood: Season salmon and shrimp with salt/pepper. In a skillet with 1 tbsp olive oil, sear salmon for 2 mins per side. Quickly toss shrimp in the pan for 1 min.
Bake: Arrange seafood over the veggies. Pour sauce over everything. Bake for 10-12 minutes.
Serve: Garnish with fresh herbs and lemon juice.