Jalapeño Artichoke Dip

Name: Jalapeño Artichoke Dip
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 10 ounces frozen chopped spinach; 1 tablespoon extra-virgin olive oil; 1 jalapeno pepper (finely minced); 1 clove garlic (finely minced); 1 large shallot (or 1/4 onion | minced); 1/2 teaspoon red pepper flakes (optional | for additional heat); 1 (14-ounce) can marinated artichoke hearts (drained); 8 ounces full-fat cream cheese (room temperature); 1/2 cup full-fat sour cream; 6 ounces pepper jack cheese (grated); 1/2 cup freshly grated parmigiano-reggiano cheese; 1 tablespoon balsamic vinegar; 1/4 cup pickled jalapeno peppers (drained and chopped | plus more if desired); Salt