Jackie's Spinach Quiche

• 4 eggs
• 4 bacon bits
• 1 clove garlic (chopped)
• 240 ml skim evaporated milk
• 120 gr onion (chopped)
• 28 gr cheddar (shredded)
• 20 gr margarine
• 2 packages spinach (frozen)
• 1 package ready to bake biscuits