BAKED BREAKFAST MUSHROOMS STUFFED WITH SPINACH, FETA AND EGG

BAKED BREAKFAST MUSHROOMS STUFFED WITH SPINACH, FETA AND EGGIngredients4 Large flat mushrooms (large Portobello mushrooms also work well)1 Big handful of baby spinach leaves1 ½ tbsp Marinated creamy feta cheese4 Medium free-range eggs2 Thyme sprigsCracked pepper...