Cheesy Tuna Rice Muffins

• 2 eggs (beaten)
• 1 pam cooking spray
• 240 gr rice see note (cooked)
• 180 ml tuna in water (white drained)
• 110 gr cheddar cheese (shredded)
• 100 gr black olives (sliced)
• 30 ml milk
• 7 gr onion flakes (dried)
• 3 gr seasoned salt
• 2 gr parsley (dried)