Add olive oil to a medium - large Dutch Oven on media heat, add onion and cook for 5-7 minutes, stirring occasionally, add the garlic jalapeño mixture, hot pepper, black pepper, red pepper flakes, dry basil and salt. Cook for 7-8 minutes stirring as needed. Add light heavy cream to deglaze the pan, mix well and add the pasta/marinara sauce. Stir in fresh, chopped basil and let it cook on low - medium heat until it starts to simmer. Taste and adjust as needed, add more salt if desired. Remove from heat.