Tuna-Chip Casserole

Ingredients

• 1 package (7 ounces) plain potato chips, divided
• 1 can (5 ounces) light tuna in water, drained and flaked
• 1 package (10-1/2 ounces) frozen asparagus tips, thawed and patted dry or 1 can (15 ounces) asparagus spears, drained and sliced
• SAUCE:
• 2/3 cup evaporated milk
• 1 tablespoon lemon juice
• 1/4 teaspoon ground mustard
• 1/8 teaspoon white pepper
• TOPPING:
• 1/4 cup shredded cheddar cheese
• 1/2 cup sliced almonds