Microwave cooking package

An expandable package enclosing an expandable food product, comprising:

• a ridged bottom panel having edge portions, wherein the bottom panel includes a layer of paperboard and a patch having grease resistant paper, wherein a microwave interactive material is sealed between the layer of paperboard and the patch by an adhesive between the paperboard and the patch;
• a single flexible bag construction having a gusset portion and a top portion, wherein the gusset portion has a first end portion and second end portion, wherein the first end portion of the gusset portion is sealed to edge portions of the ridge bottom panel, wherein the top portion extends between the second end portion of the gusset portion.
• adhered to the edge portions of the ridged bottom panel, wherein the singe flexible bag construction includes a plurality of gussets;
• and
• a charge of expandable food positioned on the patch over the microwave interactive material.

An expandable package, comprising:

• a ridged bottom panel having edge portions, wherein the bottom panel includes a layer of paperboard and a patch having grease resistant paper, wherein a microwave interactive material is sealed between the layer of paperboard and the patch by an adhesive between the paperboard and the patch;
• and
• a single flexible bag construction having a gusset portion and a top portion, wherein the gusset portion has a first end portion and second end portion, wherein the first end portion of the gusset portion is sealed to edge portions of the ridge bottom panel, wherein the top portion extends between the second end portion of the gusset portion.
• adhered to the edge portions of the ridged bottom panel, wherein the singe flexible bag construction includes a plurality of gussets.