Mix butter and sugar alternative in a large bowl with a stand or hand mixer until combined. Mix in cream cheese.
Add eggs one at a time until combined, scraping the sides of the bowl to make sure everything is fully incorporated. Add the vanilla extract.
Whisk almond flour and baking powder together in a medium bowl. Slowly add to wet ingredients on low speed until combined. Mix on high for one minute, scrape sides of bowl, then mix on high for one more minute.
Fold in chopped strawberries by hand and add batter to a 9" greased or parchment-lined loaf pan.
Bake for 55 minutes (time may vary based on oven and sugar alternative used). Cake will be ready when toothpick comes out clean.
When done, remove from oven and cool completely before removing from loaf pan.