Butter Crust Corn Pie

Ingredients

• 1 1/4 cups soda crackers, crushed
• 1/4 cup grated parmesan cheese
• 1/2 cup butter, melted
• 1 1/4 cups milk, divided
• 2 cups frozen white shoepeg corn, thawed
• 1/2 - 1 teaspoon onion salt
• 1/4 teaspoon white pepper
• 1 teaspoon sugar
• 2 tablespoons all-purpose flour
• 2 eggs, beaten
• 1/4 cup chopped black olives
• 1/2 cup green onion, sliced
• salsa, to garnish