Easy Overnight Oats

• 0.3 cup milk
• 0.3 cup plain Greek yoghurt
• 0.3 cup plain rolled oats
• 2 tsp honey
• 2 tbsp mixed seeds (I love linseeds/flaxseeds, sunflower, pumpkin and chia seeds).
• 1 tsp vanilla extract (optional)
• 0.3 cup frozen berries (optional)