Salmon Rice Souffle

Ingredients

• 1 1/2 cup cooked rice
• 1 1/2 cup grated cheese
• 1 tbsp. dried onion
• 1/2 lb salmon leftovers (alternate 1 can salmon)
• 3 eggs, beaten
• 1/2 tsp. salt-substitute
• 1/2 tsp. dry mustard
• 1/4 cup melted butter
• 1 cup milk