Spinach and Shrimp-Stuffed Portobellos

A delicious conglomerate of [cheap] ingredients this is! Something to keep in mind though = mushrooms shrink! although it's packed with flavor, i definitely wanted more. i recommend doubling this recipe if cooking for two!

Ingredients:
2 portobello mushroom caps
1 1/2 cups of fresh or thawed tail-off shrimp, chopped 
1 cup of chopped spinach
1 shallot, sliced
1 Tbs flavored cream cheese (veggie, chive, etc)
1 1/2 Tbs italian breadcrumbs

what to do:
1. Preheat oven to 400 degrees
2. Saute shallots in olive oil until translucent
3. Add spinach and cook for 1-2 mins
4. Add shrimp and cook until pink
5. Remove from heat and transfer into a bowl
6. Add cream cheese and breadcrumbs, combine together
7. Clean off portobello caps, and peel skin off
8. Cut out the stem, and add mixture to caps
9. Spray baking sheet with non-stick spray, and arrange caps
10. Bake for 25-30 mins