Preheat oven to 400°; wash, then cut 2 peppers in half lengthwise + discard seeds; lay cut-side up in lightly oiled baking dish, season with salt/pep + bake 15-20 min until tender

Meanwhile, heat 1 tbsp oil in large skillet over med-high + sauté half the spinach + salt/pep 1-2 min until wilted; add remaining spinach + cook 1-2 min more until all spinach is wilted

Add 4 tbsp cream cheese to spinach + stir to combine; divide spinach mixture to pepper halves + sprinkle each with 2 tbsp cheese; bake 10 min until cheese is melty